Home / 89,934.64-124,109.11-49,648.45

Finding the Fourth Proportional to 89,934.64, 124,109.11 and 49,648.45

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Solution

The fourth proportional to 89,934.64, 124,109.11 and 49,648.45 is: 68,514.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,934.64 : 124,109.11 = 49,648.45 : x
  2. Step 2: Convert to fraction form
    89,934.64/124,109.11 = 49,648.45/x
  3. Step 3: Cross multiply
    89,934.64x = 124,109.11 × 49,648.45
  4. Step 4: Simplify right side
    89,934.64x = 6,161,824,942.38
  5. Step 5: Solve for x
    x = 6,161,824,942.38/89,934.64
  6. Step 6: Final answer
    x = 68,514.48

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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.