Home / 127,962.60-176,592.18-71,372.76

Finding the Fourth Proportional to 127,962.60, 176,592.18 and 71,372.76

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Solution

The fourth proportional to 127,962.60, 176,592.18 and 71,372.76 is: 98,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,962.60 : 176,592.18 = 71,372.76 : x
  2. Step 2: Convert to fraction form
    127,962.60/176,592.18 = 71,372.76/x
  3. Step 3: Cross multiply
    127,962.60x = 176,592.18 × 71,372.76
  4. Step 4: Simplify right side
    127,962.60x = 12,603,871,281.02
  5. Step 5: Solve for x
    x = 12,603,871,281.02/127,962.60
  6. Step 6: Final answer
    x = 98,496.52

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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.