Home / 56,960.55-78,034.66-54,830.85

Finding the Fourth Proportional to 56,960.55, 78,034.66 and 54,830.85

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Solution

The fourth proportional to 56,960.55, 78,034.66 and 54,830.85 is: 75,117.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,960.55 : 78,034.66 = 54,830.85 : x
  2. Step 2: Convert to fraction form
    56,960.55/78,034.66 = 54,830.85/x
  3. Step 3: Cross multiply
    56,960.55x = 78,034.66 × 54,830.85
  4. Step 4: Simplify right side
    56,960.55x = 4,278,706,600.18
  5. Step 5: Solve for x
    x = 4,278,706,600.18/56,960.55
  6. Step 6: Final answer
    x = 75,117.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.