Home / 56,151.16-84,182-32,431.72

Finding the Fourth Proportional to 56,151.16, 84,182 and 32,431.72

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Solution

The fourth proportional to 56,151.16, 84,182 and 32,431.72 is: 48,621.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,151.16 : 84,182 = 32,431.72 : x
  2. Step 2: Convert to fraction form
    56,151.16/84,182 = 32,431.72/x
  3. Step 3: Cross multiply
    56,151.16x = 84,182 × 32,431.72
  4. Step 4: Simplify right side
    56,151.16x = 2,730,167,053.04
  5. Step 5: Solve for x
    x = 2,730,167,053.04/56,151.16
  6. Step 6: Final answer
    x = 48,621.74

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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.