Home / 90,641.11-125,070.87-50,351.17

Finding the Fourth Proportional to 90,641.11, 125,070.87 and 50,351.17

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Solution

The fourth proportional to 90,641.11, 125,070.87 and 50,351.17 is: 69,476.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,641.11 : 125,070.87 = 50,351.17 : x
  2. Step 2: Convert to fraction form
    90,641.11/125,070.87 = 50,351.17/x
  3. Step 3: Cross multiply
    90,641.11x = 125,070.87 × 50,351.17
  4. Step 4: Simplify right side
    90,641.11x = 6,297,464,637.42
  5. Step 5: Solve for x
    x = 6,297,464,637.42/90,641.11
  6. Step 6: Final answer
    x = 69,476.91

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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.