Home / 71,022.43-98,016.48-40,818.29

Finding the Fourth Proportional to 71,022.43, 98,016.48 and 40,818.29

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Solution

The fourth proportional to 71,022.43, 98,016.48 and 40,818.29 is: 56,332.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,022.43 : 98,016.48 = 40,818.29 : x
  2. Step 2: Convert to fraction form
    71,022.43/98,016.48 = 40,818.29/x
  3. Step 3: Cross multiply
    71,022.43x = 98,016.48 × 40,818.29
  4. Step 4: Simplify right side
    71,022.43x = 4,000,864,615.34
  5. Step 5: Solve for x
    x = 4,000,864,615.34/71,022.43
  6. Step 6: Final answer
    x = 56,332.41

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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.