Home / 82,733.20-124,099.80-51,240.40

Finding the Fourth Proportional to 82,733.20, 124,099.80 and 51,240.40

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Solution

The fourth proportional to 82,733.20, 124,099.80 and 51,240.40 is: 76,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,733.20 : 124,099.80 = 51,240.40 : x
  2. Step 2: Convert to fraction form
    82,733.20/124,099.80 = 51,240.40/x
  3. Step 3: Cross multiply
    82,733.20x = 124,099.80 × 51,240.40
  4. Step 4: Simplify right side
    82,733.20x = 6,358,923,391.92
  5. Step 5: Solve for x
    x = 6,358,923,391.92/82,733.20
  6. Step 6: Final answer
    x = 76,860.60

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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.