Home / 89,620.95-123,662.66-51,373.18

Finding the Fourth Proportional to 89,620.95, 123,662.66 and 51,373.18

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Solution

The fourth proportional to 89,620.95, 123,662.66 and 51,373.18 is: 70,886.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,620.95 : 123,662.66 = 51,373.18 : x
  2. Step 2: Convert to fraction form
    89,620.95/123,662.66 = 51,373.18/x
  3. Step 3: Cross multiply
    89,620.95x = 123,662.66 × 51,373.18
  4. Step 4: Simplify right side
    89,620.95x = 6,352,944,091.46
  5. Step 5: Solve for x
    x = 6,352,944,091.46/89,620.95
  6. Step 6: Final answer
    x = 70,886.82

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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.