Home / 97,320.80-145,979.76-52,937.12

Finding the Fourth Proportional to 97,320.80, 145,979.76 and 52,937.12

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Solution

The fourth proportional to 97,320.80, 145,979.76 and 52,937.12 is: 79,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,320.80 : 145,979.76 = 52,937.12 : x
  2. Step 2: Convert to fraction form
    97,320.80/145,979.76 = 52,937.12/x
  3. Step 3: Cross multiply
    97,320.80x = 145,979.76 × 52,937.12
  4. Step 4: Simplify right side
    97,320.80x = 7,727,748,072.69
  5. Step 5: Solve for x
    x = 7,727,748,072.69/97,320.80
  6. Step 6: Final answer
    x = 79,404.90

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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.