Home / 97,909.30-135,110.10-55,468

Finding the Fourth Proportional to 97,909.30, 135,110.10 and 55,468

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Solution

The fourth proportional to 97,909.30, 135,110.10 and 55,468 is: 76,543.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,909.30 : 135,110.10 = 55,468 : x
  2. Step 2: Convert to fraction form
    97,909.30/135,110.10 = 55,468/x
  3. Step 3: Cross multiply
    97,909.30x = 135,110.10 × 55,468
  4. Step 4: Simplify right side
    97,909.30x = 7,494,287,026.80
  5. Step 5: Solve for x
    x = 7,494,287,026.80/97,909.30
  6. Step 6: Final answer
    x = 76,543.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.