Home / 127,132.50-175,442.85-70,552.98

Finding the Fourth Proportional to 127,132.50, 175,442.85 and 70,552.98

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Solution

The fourth proportional to 127,132.50, 175,442.85 and 70,552.98 is: 97,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,132.50 : 175,442.85 = 70,552.98 : x
  2. Step 2: Convert to fraction form
    127,132.50/175,442.85 = 70,552.98/x
  3. Step 3: Cross multiply
    127,132.50x = 175,442.85 × 70,552.98
  4. Step 4: Simplify right side
    127,132.50x = 12,378,015,887.19
  5. Step 5: Solve for x
    x = 12,378,015,887.19/127,132.50
  6. Step 6: Final answer
    x = 97,363.11

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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.