Home / 72,575.02-108,834.90-43,001.20

Finding the Fourth Proportional to 72,575.02, 108,834.90 and 43,001.20

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Solution

The fourth proportional to 72,575.02, 108,834.90 and 43,001.20 is: 64,485.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,575.02 : 108,834.90 = 43,001.20 : x
  2. Step 2: Convert to fraction form
    72,575.02/108,834.90 = 43,001.20/x
  3. Step 3: Cross multiply
    72,575.02x = 108,834.90 × 43,001.20
  4. Step 4: Simplify right side
    72,575.02x = 4,680,031,301.88
  5. Step 5: Solve for x
    x = 4,680,031,301.88/72,575.02
  6. Step 6: Final answer
    x = 64,485.43

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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.