Home / 56,711.13-85,080.76-23,440.78

Finding the Fourth Proportional to 56,711.13, 85,080.76 and 23,440.78

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Solution

The fourth proportional to 56,711.13, 85,080.76 and 23,440.78 is: 35,166.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,711.13 : 85,080.76 = 23,440.78 : x
  2. Step 2: Convert to fraction form
    56,711.13/85,080.76 = 23,440.78/x
  3. Step 3: Cross multiply
    56,711.13x = 85,080.76 × 23,440.78
  4. Step 4: Simplify right side
    56,711.13x = 1,994,359,377.39
  5. Step 5: Solve for x
    x = 1,994,359,377.39/56,711.13
  6. Step 6: Final answer
    x = 35,166.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.