Home / 77,350.29-106,719.43-43,354.07

Finding the Fourth Proportional to 77,350.29, 106,719.43 and 43,354.07

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Solution

The fourth proportional to 77,350.29, 106,719.43 and 43,354.07 is: 59,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,350.29 : 106,719.43 = 43,354.07 : x
  2. Step 2: Convert to fraction form
    77,350.29/106,719.43 = 43,354.07/x
  3. Step 3: Cross multiply
    77,350.29x = 106,719.43 × 43,354.07
  4. Step 4: Simplify right side
    77,350.29x = 4,626,720,996.60
  5. Step 5: Solve for x
    x = 4,626,720,996.60/77,350.29
  6. Step 6: Final answer
    x = 59,815.17

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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.