Home / 108,136.64-161,987.46-53,937.92

Finding the Fourth Proportional to 108,136.64, 161,987.46 and 53,937.92

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Solution

The fourth proportional to 108,136.64, 161,987.46 and 53,937.92 is: 80,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,136.64 : 161,987.46 = 53,937.92 : x
  2. Step 2: Convert to fraction form
    108,136.64/161,987.46 = 53,937.92/x
  3. Step 3: Cross multiply
    108,136.64x = 161,987.46 × 53,937.92
  4. Step 4: Simplify right side
    108,136.64x = 8,737,266,658.48
  5. Step 5: Solve for x
    x = 8,737,266,658.48/108,136.64
  6. Step 6: Final answer
    x = 80,798.39

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1.5x scale

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.