Home / 83,079.60-114,649.04-51,235.76

Finding the Fourth Proportional to 83,079.60, 114,649.04 and 51,235.76

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Solution

The fourth proportional to 83,079.60, 114,649.04 and 51,235.76 is: 70,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,079.60 : 114,649.04 = 51,235.76 : x
  2. Step 2: Convert to fraction form
    83,079.60/114,649.04 = 51,235.76/x
  3. Step 3: Cross multiply
    83,079.60x = 114,649.04 × 51,235.76
  4. Step 4: Simplify right side
    83,079.60x = 5,874,130,697.67
  5. Step 5: Solve for x
    x = 5,874,130,697.67/83,079.60
  6. Step 6: Final answer
    x = 70,704.85

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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.