Home / 89,490.49-123,494.26-49,204.21

Finding the Fourth Proportional to 89,490.49, 123,494.26 and 49,204.21

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Solution

The fourth proportional to 89,490.49, 123,494.26 and 49,204.21 is: 67,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,490.49 : 123,494.26 = 49,204.21 : x
  2. Step 2: Convert to fraction form
    89,490.49/123,494.26 = 49,204.21/x
  3. Step 3: Cross multiply
    89,490.49x = 123,494.26 × 49,204.21
  4. Step 4: Simplify right side
    89,490.49x = 6,076,437,502.83
  5. Step 5: Solve for x
    x = 6,076,437,502.83/89,490.49
  6. Step 6: Final answer
    x = 67,900.37

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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.