Home / 54,583.64-81,875.45-15,140.76

Finding the Fourth Proportional to 54,583.64, 81,875.45 and 15,140.76

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Solution

The fourth proportional to 54,583.64, 81,875.45 and 15,140.76 is: 22,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,583.64 : 81,875.45 = 15,140.76 : x
  2. Step 2: Convert to fraction form
    54,583.64/81,875.45 = 15,140.76/x
  3. Step 3: Cross multiply
    54,583.64x = 81,875.45 × 15,140.76
  4. Step 4: Simplify right side
    54,583.64x = 1,239,656,538.34
  5. Step 5: Solve for x
    x = 1,239,656,538.34/54,583.64
  6. Step 6: Final answer
    x = 22,711.14

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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.