Home / 77,713.29-116,569.95-21,567.55

Finding the Fourth Proportional to 77,713.29, 116,569.95 and 21,567.55

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Solution

The fourth proportional to 77,713.29, 116,569.95 and 21,567.55 is: 32,351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,713.29 : 116,569.95 = 21,567.55 : x
  2. Step 2: Convert to fraction form
    77,713.29/116,569.95 = 21,567.55/x
  3. Step 3: Cross multiply
    77,713.29x = 116,569.95 × 21,567.55
  4. Step 4: Simplify right side
    77,713.29x = 2,514,128,225.12
  5. Step 5: Solve for x
    x = 2,514,128,225.12/77,713.29
  6. Step 6: Final answer
    x = 32,351.33

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.