Home / 48,332.20-72,498.30-42,629.80

Finding the Fourth Proportional to 48,332.20, 72,498.30 and 42,629.80

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Solution

The fourth proportional to 48,332.20, 72,498.30 and 42,629.80 is: 63,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,332.20 : 72,498.30 = 42,629.80 : x
  2. Step 2: Convert to fraction form
    48,332.20/72,498.30 = 42,629.80/x
  3. Step 3: Cross multiply
    48,332.20x = 72,498.30 × 42,629.80
  4. Step 4: Simplify right side
    48,332.20x = 3,090,588,029.34
  5. Step 5: Solve for x
    x = 3,090,588,029.34/48,332.20
  6. Step 6: Final answer
    x = 63,944.70

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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.