Home / 57,141.13-85,710.78-15,588.13

Finding the Fourth Proportional to 57,141.13, 85,710.78 and 15,588.13

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Solution

The fourth proportional to 57,141.13, 85,710.78 and 15,588.13 is: 23,381.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,141.13 : 85,710.78 = 15,588.13 : x
  2. Step 2: Convert to fraction form
    57,141.13/85,710.78 = 15,588.13/x
  3. Step 3: Cross multiply
    57,141.13x = 85,710.78 × 15,588.13
  4. Step 4: Simplify right side
    57,141.13x = 1,336,070,566.76
  5. Step 5: Solve for x
    x = 1,336,070,566.76/57,141.13
  6. Step 6: Final answer
    x = 23,381.94

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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.