Home / 64,082.52-96,143.25-45,398.70

Finding the Fourth Proportional to 64,082.52, 96,143.25 and 45,398.70

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Solution

The fourth proportional to 64,082.52, 96,143.25 and 45,398.70 is: 68,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,082.52 : 96,143.25 = 45,398.70 : x
  2. Step 2: Convert to fraction form
    64,082.52/96,143.25 = 45,398.70/x
  3. Step 3: Cross multiply
    64,082.52x = 96,143.25 × 45,398.70
  4. Step 4: Simplify right side
    64,082.52x = 4,364,779,004.42
  5. Step 5: Solve for x
    x = 4,364,779,004.42/64,082.52
  6. Step 6: Final answer
    x = 68,111.85

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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.