Home / 48,666.32-72,999.03-15,386.39

Finding the Fourth Proportional to 48,666.32, 72,999.03 and 15,386.39

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Solution

The fourth proportional to 48,666.32, 72,999.03 and 15,386.39 is: 23,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,666.32 : 72,999.03 = 15,386.39 : x
  2. Step 2: Convert to fraction form
    48,666.32/72,999.03 = 15,386.39/x
  3. Step 3: Cross multiply
    48,666.32x = 72,999.03 × 15,386.39
  4. Step 4: Simplify right side
    48,666.32x = 1,123,191,545.20
  5. Step 5: Solve for x
    x = 1,123,191,545.20/48,666.32
  6. Step 6: Final answer
    x = 23,079.44

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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.