Home / 77,487.13-106,933.82-43,498.07

Finding the Fourth Proportional to 77,487.13, 106,933.82 and 43,498.07

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Solution

The fourth proportional to 77,487.13, 106,933.82 and 43,498.07 is: 60,028.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,487.13 : 106,933.82 = 43,498.07 : x
  2. Step 2: Convert to fraction form
    77,487.13/106,933.82 = 43,498.07/x
  3. Step 3: Cross multiply
    77,487.13x = 106,933.82 × 43,498.07
  4. Step 4: Simplify right side
    77,487.13x = 4,651,414,035.57
  5. Step 5: Solve for x
    x = 4,651,414,035.57/77,487.13
  6. Step 6: Final answer
    x = 60,028.22

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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.