Home / 89,416.62-123,394.55-49,130.26

Finding the Fourth Proportional to 89,416.62, 123,394.55 and 49,130.26

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Solution

The fourth proportional to 89,416.62, 123,394.55 and 49,130.26 is: 67,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,416.62 : 123,394.55 = 49,130.26 : x
  2. Step 2: Convert to fraction form
    89,416.62/123,394.55 = 49,130.26/x
  3. Step 3: Cross multiply
    89,416.62x = 123,394.55 × 49,130.26
  4. Step 4: Simplify right side
    89,416.62x = 6,062,406,324.08
  5. Step 5: Solve for x
    x = 6,062,406,324.08/89,416.62
  6. Step 6: Final answer
    x = 67,799.55

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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.