Home / 71,534.77-98,722.46-39,704.20

Finding the Fourth Proportional to 71,534.77, 98,722.46 and 39,704.20

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Solution

The fourth proportional to 71,534.77, 98,722.46 and 39,704.20 is: 54,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,534.77 : 98,722.46 = 39,704.20 : x
  2. Step 2: Convert to fraction form
    71,534.77/98,722.46 = 39,704.20/x
  3. Step 3: Cross multiply
    71,534.77x = 98,722.46 × 39,704.20
  4. Step 4: Simplify right side
    71,534.77x = 3,919,696,148.79
  5. Step 5: Solve for x
    x = 3,919,696,148.79/71,534.77
  6. Step 6: Final answer
    x = 54,794.28

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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.