Home / 48,375.68-72,561.54-13,314.38

Finding the Fourth Proportional to 48,375.68, 72,561.54 and 13,314.38

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Solution

The fourth proportional to 48,375.68, 72,561.54 and 13,314.38 is: 19,971.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,375.68 : 72,561.54 = 13,314.38 : x
  2. Step 2: Convert to fraction form
    48,375.68/72,561.54 = 13,314.38/x
  3. Step 3: Cross multiply
    48,375.68x = 72,561.54 × 13,314.38
  4. Step 4: Simplify right side
    48,375.68x = 966,111,916.95
  5. Step 5: Solve for x
    x = 966,111,916.95/48,375.68
  6. Step 6: Final answer
    x = 19,971.03

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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.