Home / 72,560.10-108,814.23-25,803.66

Finding the Fourth Proportional to 72,560.10, 108,814.23 and 25,803.66

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Solution

The fourth proportional to 72,560.10, 108,814.23 and 25,803.66 is: 38,696.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,560.10 : 108,814.23 = 25,803.66 : x
  2. Step 2: Convert to fraction form
    72,560.10/108,814.23 = 25,803.66/x
  3. Step 3: Cross multiply
    72,560.10x = 108,814.23 × 25,803.66
  4. Step 4: Simplify right side
    72,560.10x = 2,807,805,394.08
  5. Step 5: Solve for x
    x = 2,807,805,394.08/72,560.10
  6. Step 6: Final answer
    x = 38,696.27

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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.