Home / 108,387.13-162,445.28-52,216.77

Finding the Fourth Proportional to 108,387.13, 162,445.28 and 52,216.77

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Solution

The fourth proportional to 108,387.13, 162,445.28 and 52,216.77 is: 78,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,387.13 : 162,445.28 = 52,216.77 : x
  2. Step 2: Convert to fraction form
    108,387.13/162,445.28 = 52,216.77/x
  3. Step 3: Cross multiply
    108,387.13x = 162,445.28 × 52,216.77
  4. Step 4: Simplify right side
    108,387.13x = 8,482,367,823.35
  5. Step 5: Solve for x
    x = 8,482,367,823.35/108,387.13
  6. Step 6: Final answer
    x = 78,259.92

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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.