Home / 89,859.40-124,005.78-49,575.70

Finding the Fourth Proportional to 89,859.40, 124,005.78 and 49,575.70

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Solution

The fourth proportional to 89,859.40, 124,005.78 and 49,575.70 is: 68,414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,859.40 : 124,005.78 = 49,575.70 : x
  2. Step 2: Convert to fraction form
    89,859.40/124,005.78 = 49,575.70/x
  3. Step 3: Cross multiply
    89,859.40x = 124,005.78 × 49,575.70
  4. Step 4: Simplify right side
    89,859.40x = 6,147,673,347.55
  5. Step 5: Solve for x
    x = 6,147,673,347.55/89,859.40
  6. Step 6: Final answer
    x = 68,414.36

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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.