Home / 89,774.49-123,883.23-49,488.60

Finding the Fourth Proportional to 89,774.49, 123,883.23 and 49,488.60

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Solution

The fourth proportional to 89,774.49, 123,883.23 and 49,488.60 is: 68,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,774.49 : 123,883.23 = 49,488.60 : x
  2. Step 2: Convert to fraction form
    89,774.49/123,883.23 = 49,488.60/x
  3. Step 3: Cross multiply
    89,774.49x = 123,883.23 × 49,488.60
  4. Step 4: Simplify right side
    89,774.49x = 6,130,807,616.18
  5. Step 5: Solve for x
    x = 6,130,807,616.18/89,774.49
  6. Step 6: Final answer
    x = 68,291.20

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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.