Home / 127,432.68-175,861.62-70,076.40

Finding the Fourth Proportional to 127,432.68, 175,861.62 and 70,076.40

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Solution

The fourth proportional to 127,432.68, 175,861.62 and 70,076.40 is: 96,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,432.68 : 175,861.62 = 70,076.40 : x
  2. Step 2: Convert to fraction form
    127,432.68/175,861.62 = 70,076.40/x
  3. Step 3: Cross multiply
    127,432.68x = 175,861.62 × 70,076.40
  4. Step 4: Simplify right side
    127,432.68x = 12,323,749,227.77
  5. Step 5: Solve for x
    x = 12,323,749,227.77/127,432.68
  6. Step 6: Final answer
    x = 96,707.92

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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.