Home / 90,494.55-124,888.38-52,255.71

Finding the Fourth Proportional to 90,494.55, 124,888.38 and 52,255.71

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Solution

The fourth proportional to 90,494.55, 124,888.38 and 52,255.71 is: 72,116.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,494.55 : 124,888.38 = 52,255.71 : x
  2. Step 2: Convert to fraction form
    90,494.55/124,888.38 = 52,255.71/x
  3. Step 3: Cross multiply
    90,494.55x = 124,888.38 × 52,255.71
  4. Step 4: Simplify right side
    90,494.55x = 6,526,130,967.65
  5. Step 5: Solve for x
    x = 6,526,130,967.65/90,494.55
  6. Step 6: Final answer
    x = 72,116.29

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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.