Home / 89,610.34-123,657.56-49,316.40

Finding the Fourth Proportional to 89,610.34, 123,657.56 and 49,316.40

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Solution

The fourth proportional to 89,610.34, 123,657.56 and 49,316.40 is: 68,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,610.34 : 123,657.56 = 49,316.40 : x
  2. Step 2: Convert to fraction form
    89,610.34/123,657.56 = 49,316.40/x
  3. Step 3: Cross multiply
    89,610.34x = 123,657.56 × 49,316.40
  4. Step 4: Simplify right side
    89,610.34x = 6,098,346,023.67
  5. Step 5: Solve for x
    x = 6,098,346,023.67/89,610.34
  6. Step 6: Final answer
    x = 68,054.04

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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.