Home / 108,566.60-162,849.90-38,436.80

Finding the Fourth Proportional to 108,566.60, 162,849.90 and 38,436.80

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Solution

The fourth proportional to 108,566.60, 162,849.90 and 38,436.80 is: 57,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,566.60 : 162,849.90 = 38,436.80 : x
  2. Step 2: Convert to fraction form
    108,566.60/162,849.90 = 38,436.80/x
  3. Step 3: Cross multiply
    108,566.60x = 162,849.90 × 38,436.80
  4. Step 4: Simplify right side
    108,566.60x = 6,259,429,036.32
  5. Step 5: Solve for x
    x = 6,259,429,036.32/108,566.60
  6. Step 6: Final answer
    x = 57,655.20

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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.