Home / 61,980.24-85,531.28-34,754.52

Finding the Fourth Proportional to 61,980.24, 85,531.28 and 34,754.52

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Solution

The fourth proportional to 61,980.24, 85,531.28 and 34,754.52 is: 47,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,980.24 : 85,531.28 = 34,754.52 : x
  2. Step 2: Convert to fraction form
    61,980.24/85,531.28 = 34,754.52/x
  3. Step 3: Cross multiply
    61,980.24x = 85,531.28 × 34,754.52
  4. Step 4: Simplify right side
    61,980.24x = 2,972,598,581.39
  5. Step 5: Solve for x
    x = 2,972,598,581.39/61,980.24
  6. Step 6: Final answer
    x = 47,960.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.