Home / 77,673.30-107,109.45-55,006.26

Finding the Fourth Proportional to 77,673.30, 107,109.45 and 55,006.26

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Solution

The fourth proportional to 77,673.30, 107,109.45 and 55,006.26 is: 75,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,673.30 : 107,109.45 = 55,006.26 : x
  2. Step 2: Convert to fraction form
    77,673.30/107,109.45 = 55,006.26/x
  3. Step 3: Cross multiply
    77,673.30x = 107,109.45 × 55,006.26
  4. Step 4: Simplify right side
    77,673.30x = 5,891,690,255.16
  5. Step 5: Solve for x
    x = 5,891,690,255.16/77,673.30
  6. Step 6: Final answer
    x = 75,852.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.