Home / 48,000.70-72,001.05-43,162.30

Finding the Fourth Proportional to 48,000.70, 72,001.05 and 43,162.30

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Solution

The fourth proportional to 48,000.70, 72,001.05 and 43,162.30 is: 64,743.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,000.70 : 72,001.05 = 43,162.30 : x
  2. Step 2: Convert to fraction form
    48,000.70/72,001.05 = 43,162.30/x
  3. Step 3: Cross multiply
    48,000.70x = 72,001.05 × 43,162.30
  4. Step 4: Simplify right side
    48,000.70x = 3,107,730,920.42
  5. Step 5: Solve for x
    x = 3,107,730,920.42/48,000.70
  6. Step 6: Final answer
    x = 64,743.45

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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.