Home / 85,057.40-127,440.29-60,052.70

Finding the Fourth Proportional to 85,057.40, 127,440.29 and 60,052.70

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Solution

The fourth proportional to 85,057.40, 127,440.29 and 60,052.70 is: 89,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,057.40 : 127,440.29 = 60,052.70 : x
  2. Step 2: Convert to fraction form
    85,057.40/127,440.29 = 60,052.70/x
  3. Step 3: Cross multiply
    85,057.40x = 127,440.29 × 60,052.70
  4. Step 4: Simplify right side
    85,057.40x = 7,653,132,565.82
  5. Step 5: Solve for x
    x = 7,653,132,565.82/85,057.40
  6. Step 6: Final answer
    x = 89,976.10

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1.5x scale

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.