Home / 89,490.87-123,498.23-49,204.89

Finding the Fourth Proportional to 89,490.87, 123,498.23 and 49,204.89

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Solution

The fourth proportional to 89,490.87, 123,498.23 and 49,204.89 is: 67,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,490.87 : 123,498.23 = 49,204.89 : x
  2. Step 2: Convert to fraction form
    89,490.87/123,498.23 = 49,204.89/x
  3. Step 3: Cross multiply
    89,490.87x = 123,498.23 × 49,204.89
  4. Step 4: Simplify right side
    89,490.87x = 6,076,716,576.32
  5. Step 5: Solve for x
    x = 6,076,716,576.32/89,490.87
  6. Step 6: Final answer
    x = 67,903.20

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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.