Home / 77,024.40-115,536.60-75,469.20

Finding the Fourth Proportional to 77,024.40, 115,536.60 and 75,469.20

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Solution

The fourth proportional to 77,024.40, 115,536.60 and 75,469.20 is: 113,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,024.40 : 115,536.60 = 75,469.20 : x
  2. Step 2: Convert to fraction form
    77,024.40/115,536.60 = 75,469.20/x
  3. Step 3: Cross multiply
    77,024.40x = 115,536.60 × 75,469.20
  4. Step 4: Simplify right side
    77,024.40x = 8,719,454,772.72
  5. Step 5: Solve for x
    x = 8,719,454,772.72/77,024.40
  6. Step 6: Final answer
    x = 113,203.80

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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.