Home / 89,557.59-123,598.19-66,857.16

Finding the Fourth Proportional to 89,557.59, 123,598.19 and 66,857.16

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Solution

The fourth proportional to 89,557.59, 123,598.19 and 66,857.16 is: 92,269.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,557.59 : 123,598.19 = 66,857.16 : x
  2. Step 2: Convert to fraction form
    89,557.59/123,598.19 = 66,857.16/x
  3. Step 3: Cross multiply
    89,557.59x = 123,598.19 × 66,857.16
  4. Step 4: Simplify right side
    89,557.59x = 8,263,423,964.54
  5. Step 5: Solve for x
    x = 8,263,423,964.54/89,557.59
  6. Step 6: Final answer
    x = 92,269.39

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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.