Home / 83,122.54-114,709.84-47,314.86

Finding the Fourth Proportional to 83,122.54, 114,709.84 and 47,314.86

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Solution

The fourth proportional to 83,122.54, 114,709.84 and 47,314.86 is: 65,294.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,122.54 : 114,709.84 = 47,314.86 : x
  2. Step 2: Convert to fraction form
    83,122.54/114,709.84 = 47,314.86/x
  3. Step 3: Cross multiply
    83,122.54x = 114,709.84 × 47,314.86
  4. Step 4: Simplify right side
    83,122.54x = 5,427,480,197.65
  5. Step 5: Solve for x
    x = 5,427,480,197.65/83,122.54
  6. Step 6: Final answer
    x = 65,294.92

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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.