Home / 71,025.20-106,440.60-47,265.20

Finding the Fourth Proportional to 71,025.20, 106,440.60 and 47,265.20

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Solution

The fourth proportional to 71,025.20, 106,440.60 and 47,265.20 is: 70,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,025.20 : 106,440.60 = 47,265.20 : x
  2. Step 2: Convert to fraction form
    71,025.20/106,440.60 = 47,265.20/x
  3. Step 3: Cross multiply
    71,025.20x = 106,440.60 × 47,265.20
  4. Step 4: Simplify right side
    71,025.20x = 5,030,936,247.12
  5. Step 5: Solve for x
    x = 5,030,936,247.12/71,025.20
  6. Step 6: Final answer
    x = 70,833.12

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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.