Home / 56,756.88-85,140.18-23,470.56

Finding the Fourth Proportional to 56,756.88, 85,140.18 and 23,470.56

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Solution

The fourth proportional to 56,756.88, 85,140.18 and 23,470.56 is: 35,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,756.88 : 85,140.18 = 23,470.56 : x
  2. Step 2: Convert to fraction form
    56,756.88/85,140.18 = 23,470.56/x
  3. Step 3: Cross multiply
    56,756.88x = 85,140.18 × 23,470.56
  4. Step 4: Simplify right side
    56,756.88x = 1,998,287,703.10
  5. Step 5: Solve for x
    x = 1,998,287,703.10/56,756.88
  6. Step 6: Final answer
    x = 35,207.85

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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.