Home / 90,532.17-124,945.46-52,291.68

Finding the Fourth Proportional to 90,532.17, 124,945.46 and 52,291.68

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Solution

The fourth proportional to 90,532.17, 124,945.46 and 52,291.68 is: 72,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,532.17 : 124,945.46 = 52,291.68 : x
  2. Step 2: Convert to fraction form
    90,532.17/124,945.46 = 52,291.68/x
  3. Step 3: Cross multiply
    90,532.17x = 124,945.46 × 52,291.68
  4. Step 4: Simplify right side
    90,532.17x = 6,533,607,619.21
  5. Step 5: Solve for x
    x = 6,533,607,619.21/90,532.17
  6. Step 6: Final answer
    x = 72,168.90

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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.