Home / 98,499.24-147,753.18-36,135.72

Finding the Fourth Proportional to 98,499.24, 147,753.18 and 36,135.72

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Solution

The fourth proportional to 98,499.24, 147,753.18 and 36,135.72 is: 54,205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,499.24 : 147,753.18 = 36,135.72 : x
  2. Step 2: Convert to fraction form
    98,499.24/147,753.18 = 36,135.72/x
  3. Step 3: Cross multiply
    98,499.24x = 147,753.18 × 36,135.72
  4. Step 4: Simplify right side
    98,499.24x = 5,339,167,541.59
  5. Step 5: Solve for x
    x = 5,339,167,541.59/98,499.24
  6. Step 6: Final answer
    x = 54,205.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.