Home / 75,234.40-112,851.60-47,240.80

Finding the Fourth Proportional to 75,234.40, 112,851.60 and 47,240.80

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Solution

The fourth proportional to 75,234.40, 112,851.60 and 47,240.80 is: 70,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,234.40 : 112,851.60 = 47,240.80 : x
  2. Step 2: Convert to fraction form
    75,234.40/112,851.60 = 47,240.80/x
  3. Step 3: Cross multiply
    75,234.40x = 112,851.60 × 47,240.80
  4. Step 4: Simplify right side
    75,234.40x = 5,331,199,865.28
  5. Step 5: Solve for x
    x = 5,331,199,865.28/75,234.40
  6. Step 6: Final answer
    x = 70,861.20

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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.