Home / 90,374.34-124,713.19-50,088.79

Finding the Fourth Proportional to 90,374.34, 124,713.19 and 50,088.79

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Solution

The fourth proportional to 90,374.34, 124,713.19 and 50,088.79 is: 69,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,374.34 : 124,713.19 = 50,088.79 : x
  2. Step 2: Convert to fraction form
    90,374.34/124,713.19 = 50,088.79/x
  3. Step 3: Cross multiply
    90,374.34x = 124,713.19 × 50,088.79
  4. Step 4: Simplify right side
    90,374.34x = 6,246,732,784.14
  5. Step 5: Solve for x
    x = 6,246,732,784.14/90,374.34
  6. Step 6: Final answer
    x = 69,120.65

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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.