Home / 90,223.50-124,508.43-52,522.86

Finding the Fourth Proportional to 90,223.50, 124,508.43 and 52,522.86

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Solution

The fourth proportional to 90,223.50, 124,508.43 and 52,522.86 is: 72,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,223.50 : 124,508.43 = 52,522.86 : x
  2. Step 2: Convert to fraction form
    90,223.50/124,508.43 = 52,522.86/x
  3. Step 3: Cross multiply
    90,223.50x = 124,508.43 × 52,522.86
  4. Step 4: Simplify right side
    90,223.50x = 6,539,538,837.71
  5. Step 5: Solve for x
    x = 6,539,538,837.71/90,223.50
  6. Step 6: Final answer
    x = 72,481.55

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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.