Home / 72,000.05-107,953.68-29,909.10

Finding the Fourth Proportional to 72,000.05, 107,953.68 and 29,909.10

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Solution

The fourth proportional to 72,000.05, 107,953.68 and 29,909.10 is: 44,844.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,000.05 : 107,953.68 = 29,909.10 : x
  2. Step 2: Convert to fraction form
    72,000.05/107,953.68 = 29,909.10/x
  3. Step 3: Cross multiply
    72,000.05x = 107,953.68 × 29,909.10
  4. Step 4: Simplify right side
    72,000.05x = 3,228,797,410.49
  5. Step 5: Solve for x
    x = 3,228,797,410.49/72,000.05
  6. Step 6: Final answer
    x = 44,844.38

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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.