Home / 78,710.57-118,031.02-22,537.88

Finding the Fourth Proportional to 78,710.57, 118,031.02 and 22,537.88

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Solution

The fourth proportional to 78,710.57, 118,031.02 and 22,537.88 is: 33,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,710.57 : 118,031.02 = 22,537.88 : x
  2. Step 2: Convert to fraction form
    78,710.57/118,031.02 = 22,537.88/x
  3. Step 3: Cross multiply
    78,710.57x = 118,031.02 × 22,537.88
  4. Step 4: Simplify right side
    78,710.57x = 2,660,168,318.54
  5. Step 5: Solve for x
    x = 2,660,168,318.54/78,710.57
  6. Step 6: Final answer
    x = 33,796.84

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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.