Home / 48,531.13-72,808.78-38,573.44

Finding the Fourth Proportional to 48,531.13, 72,808.78 and 38,573.44

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Solution

The fourth proportional to 48,531.13, 72,808.78 and 38,573.44 is: 57,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,531.13 : 72,808.78 = 38,573.44 : x
  2. Step 2: Convert to fraction form
    48,531.13/72,808.78 = 38,573.44/x
  3. Step 3: Cross multiply
    48,531.13x = 72,808.78 × 38,573.44
  4. Step 4: Simplify right side
    48,531.13x = 2,808,485,106.80
  5. Step 5: Solve for x
    x = 2,808,485,106.80/48,531.13
  6. Step 6: Final answer
    x = 57,869.77

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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.