Home / 90,384.38-124,717.12-50,097.96

Finding the Fourth Proportional to 90,384.38, 124,717.12 and 50,097.96

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Solution

The fourth proportional to 90,384.38, 124,717.12 and 50,097.96 is: 69,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,384.38 : 124,717.12 = 50,097.96 : x
  2. Step 2: Convert to fraction form
    90,384.38/124,717.12 = 50,097.96/x
  3. Step 3: Cross multiply
    90,384.38x = 124,717.12 × 50,097.96
  4. Step 4: Simplify right side
    90,384.38x = 6,248,073,289.08
  5. Step 5: Solve for x
    x = 6,248,073,289.08/90,384.38
  6. Step 6: Final answer
    x = 69,127.80

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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.