Home / 61,585.16-92,147.04-43,856.78

Finding the Fourth Proportional to 61,585.16, 92,147.04 and 43,856.78

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Solution

The fourth proportional to 61,585.16, 92,147.04 and 43,856.78 is: 65,620.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,585.16 : 92,147.04 = 43,856.78 : x
  2. Step 2: Convert to fraction form
    61,585.16/92,147.04 = 43,856.78/x
  3. Step 3: Cross multiply
    61,585.16x = 92,147.04 × 43,856.78
  4. Step 4: Simplify right side
    61,585.16x = 4,041,272,000.20
  5. Step 5: Solve for x
    x = 4,041,272,000.20/61,585.16
  6. Step 6: Final answer
    x = 65,620.88

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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.