Home / 71,660.44-98,897.52-39,828.52

Finding the Fourth Proportional to 71,660.44, 98,897.52 and 39,828.52

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Solution

The fourth proportional to 71,660.44, 98,897.52 and 39,828.52 is: 54,966.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,660.44 : 98,897.52 = 39,828.52 : x
  2. Step 2: Convert to fraction form
    71,660.44/98,897.52 = 39,828.52/x
  3. Step 3: Cross multiply
    71,660.44x = 98,897.52 × 39,828.52
  4. Step 4: Simplify right side
    71,660.44x = 3,938,941,853.27
  5. Step 5: Solve for x
    x = 3,938,941,853.27/71,660.44
  6. Step 6: Final answer
    x = 54,966.76

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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.