Home / 92,902.17-128,183.02-54,663.40

Finding the Fourth Proportional to 92,902.17, 128,183.02 and 54,663.40

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Solution

The fourth proportional to 92,902.17, 128,183.02 and 54,663.40 is: 75,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,902.17 : 128,183.02 = 54,663.40 : x
  2. Step 2: Convert to fraction form
    92,902.17/128,183.02 = 54,663.40/x
  3. Step 3: Cross multiply
    92,902.17x = 128,183.02 × 54,663.40
  4. Step 4: Simplify right side
    92,902.17x = 7,006,919,695.47
  5. Step 5: Solve for x
    x = 7,006,919,695.47/92,902.17
  6. Step 6: Final answer
    x = 75,422.56

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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.