Home / 72,558.18-108,837.27-25,811.46

Finding the Fourth Proportional to 72,558.18, 108,837.27 and 25,811.46

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Solution

The fourth proportional to 72,558.18, 108,837.27 and 25,811.46 is: 38,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,558.18 : 108,837.27 = 25,811.46 : x
  2. Step 2: Convert to fraction form
    72,558.18/108,837.27 = 25,811.46/x
  3. Step 3: Cross multiply
    72,558.18x = 108,837.27 × 25,811.46
  4. Step 4: Simplify right side
    72,558.18x = 2,809,248,841.11
  5. Step 5: Solve for x
    x = 2,809,248,841.11/72,558.18
  6. Step 6: Final answer
    x = 38,717.19

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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.