Home / 71,274.43-98,245.66-56,143.13

Finding the Fourth Proportional to 71,274.43, 98,245.66 and 56,143.13

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Solution

The fourth proportional to 71,274.43, 98,245.66 and 56,143.13 is: 77,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,274.43 : 98,245.66 = 56,143.13 : x
  2. Step 2: Convert to fraction form
    71,274.43/98,245.66 = 56,143.13/x
  3. Step 3: Cross multiply
    71,274.43x = 98,245.66 × 56,143.13
  4. Step 4: Simplify right side
    71,274.43x = 5,515,818,335.00
  5. Step 5: Solve for x
    x = 5,515,818,335.00/71,274.43
  6. Step 6: Final answer
    x = 77,388.46

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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.