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Finding the Fourth Proportional to 96,494.39, 133,167.39 and 53,478.59

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Solution

The fourth proportional to 96,494.39, 133,167.39 and 53,478.59 is: 73,803.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,494.39 : 133,167.39 = 53,478.59 : x
  2. Step 2: Convert to fraction form
    96,494.39/133,167.39 = 53,478.59/x
  3. Step 3: Cross multiply
    96,494.39x = 133,167.39 × 53,478.59
  4. Step 4: Simplify right side
    96,494.39x = 7,121,603,751.80
  5. Step 5: Solve for x
    x = 7,121,603,751.80/96,494.39
  6. Step 6: Final answer
    x = 73,803.29

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1.5x scale

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.