Home / 90,351.90-124,686.68-50,066.15

Finding the Fourth Proportional to 90,351.90, 124,686.68 and 50,066.15

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Solution

The fourth proportional to 90,351.90, 124,686.68 and 50,066.15 is: 69,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,351.90 : 124,686.68 = 50,066.15 : x
  2. Step 2: Convert to fraction form
    90,351.90/124,686.68 = 50,066.15/x
  3. Step 3: Cross multiply
    90,351.90x = 124,686.68 × 50,066.15
  4. Step 4: Simplify right side
    90,351.90x = 6,242,581,150.12
  5. Step 5: Solve for x
    x = 6,242,581,150.12/90,351.90
  6. Step 6: Final answer
    x = 69,091.86

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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.