Home / 77,570.11-116,348.66-30,810.43

Finding the Fourth Proportional to 77,570.11, 116,348.66 and 30,810.43

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Solution

The fourth proportional to 77,570.11, 116,348.66 and 30,810.43 is: 46,213.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,570.11 : 116,348.66 = 30,810.43 : x
  2. Step 2: Convert to fraction form
    77,570.11/116,348.66 = 30,810.43/x
  3. Step 3: Cross multiply
    77,570.11x = 116,348.66 × 30,810.43
  4. Step 4: Simplify right side
    77,570.11x = 3,584,752,244.52
  5. Step 5: Solve for x
    x = 3,584,752,244.52/77,570.11
  6. Step 6: Final answer
    x = 46,213.06

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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.