Home / 92,128.56-127,170.24-54,402.96

Finding the Fourth Proportional to 92,128.56, 127,170.24 and 54,402.96

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Solution

The fourth proportional to 92,128.56, 127,170.24 and 54,402.96 is: 75,095.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,128.56 : 127,170.24 = 54,402.96 : x
  2. Step 2: Convert to fraction form
    92,128.56/127,170.24 = 54,402.96/x
  3. Step 3: Cross multiply
    92,128.56x = 127,170.24 × 54,402.96
  4. Step 4: Simplify right side
    92,128.56x = 6,918,437,479.91
  5. Step 5: Solve for x
    x = 6,918,437,479.91/92,128.56
  6. Step 6: Final answer
    x = 75,095.47

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1.5x scale

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.