Home / 90,302.65-124,624.71-50,020.27

Finding the Fourth Proportional to 90,302.65, 124,624.71 and 50,020.27

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Solution

The fourth proportional to 90,302.65, 124,624.71 and 50,020.27 is: 69,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,302.65 : 124,624.71 = 50,020.27 : x
  2. Step 2: Convert to fraction form
    90,302.65/124,624.71 = 50,020.27/x
  3. Step 3: Cross multiply
    90,302.65x = 124,624.71 × 50,020.27
  4. Step 4: Simplify right side
    90,302.65x = 6,233,761,331.31
  5. Step 5: Solve for x
    x = 6,233,761,331.31/90,302.65
  6. Step 6: Final answer
    x = 69,031.88

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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.