Home / 102,306.92-141,272.74-64,132.02

Finding the Fourth Proportional to 102,306.92, 141,272.74 and 64,132.02

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Solution

The fourth proportional to 102,306.92, 141,272.74 and 64,132.02 is: 88,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,306.92 : 141,272.74 = 64,132.02 : x
  2. Step 2: Convert to fraction form
    102,306.92/141,272.74 = 64,132.02/x
  3. Step 3: Cross multiply
    102,306.92x = 141,272.74 × 64,132.02
  4. Step 4: Simplify right side
    102,306.92x = 9,060,106,187.13
  5. Step 5: Solve for x
    x = 9,060,106,187.13/102,306.92
  6. Step 6: Final answer
    x = 88,558.10

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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.