Home / 56,101.11-77,414.16-30,948.99

Finding the Fourth Proportional to 56,101.11, 77,414.16 and 30,948.99

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Solution

The fourth proportional to 56,101.11, 77,414.16 and 30,948.99 is: 42,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,101.11 : 77,414.16 = 30,948.99 : x
  2. Step 2: Convert to fraction form
    56,101.11/77,414.16 = 30,948.99/x
  3. Step 3: Cross multiply
    56,101.11x = 77,414.16 × 30,948.99
  4. Step 4: Simplify right side
    56,101.11x = 2,395,890,063.70
  5. Step 5: Solve for x
    x = 2,395,890,063.70/56,101.11
  6. Step 6: Final answer
    x = 42,706.64

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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.