Home / 52,320.30-72,200.50-29,661.39

Finding the Fourth Proportional to 52,320.30, 72,200.50 and 29,661.39

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Solution

The fourth proportional to 52,320.30, 72,200.50 and 29,661.39 is: 40,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,320.30 : 72,200.50 = 29,661.39 : x
  2. Step 2: Convert to fraction form
    52,320.30/72,200.50 = 29,661.39/x
  3. Step 3: Cross multiply
    52,320.30x = 72,200.50 × 29,661.39
  4. Step 4: Simplify right side
    52,320.30x = 2,141,567,114.54
  5. Step 5: Solve for x
    x = 2,141,567,114.54/52,320.30
  6. Step 6: Final answer
    x = 40,931.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.