Home / 56,195.76-77,555.52-30,706.00

Finding the Fourth Proportional to 56,195.76, 77,555.52 and 30,706.00

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Solution

The fourth proportional to 56,195.76, 77,555.52 and 30,706.00 is: 42,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,195.76 : 77,555.52 = 30,706.00 : x
  2. Step 2: Convert to fraction form
    56,195.76/77,555.52 = 30,706.00/x
  3. Step 3: Cross multiply
    56,195.76x = 77,555.52 × 30,706.00
  4. Step 4: Simplify right side
    56,195.76x = 2,381,419,778.92
  5. Step 5: Solve for x
    x = 2,381,419,778.92/56,195.76
  6. Step 6: Final answer
    x = 42,377.21

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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.