Home / 89,938.55-124,114.65-49,654.82

Finding the Fourth Proportional to 89,938.55, 124,114.65 and 49,654.82

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Solution

The fourth proportional to 89,938.55, 124,114.65 and 49,654.82 is: 68,523.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,938.55 : 124,114.65 = 49,654.82 : x
  2. Step 2: Convert to fraction form
    89,938.55/124,114.65 = 49,654.82/x
  3. Step 3: Cross multiply
    89,938.55x = 124,114.65 × 49,654.82
  4. Step 4: Simplify right side
    89,938.55x = 6,162,889,984.54
  5. Step 5: Solve for x
    x = 6,162,889,984.54/89,938.55
  6. Step 6: Final answer
    x = 68,523.35

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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.