Home / 48,362.10-72,543.15-38,447.70

Finding the Fourth Proportional to 48,362.10, 72,543.15 and 38,447.70

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Solution

The fourth proportional to 48,362.10, 72,543.15 and 38,447.70 is: 57,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,362.10 : 72,543.15 = 38,447.70 : x
  2. Step 2: Convert to fraction form
    48,362.10/72,543.15 = 38,447.70/x
  3. Step 3: Cross multiply
    48,362.10x = 72,543.15 × 38,447.70
  4. Step 4: Simplify right side
    48,362.10x = 2,789,117,268.26
  5. Step 5: Solve for x
    x = 2,789,117,268.26/48,362.10
  6. Step 6: Final answer
    x = 57,671.55

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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.