Home / 71,202.24-98,256.14-40,990.66

Finding the Fourth Proportional to 71,202.24, 98,256.14 and 40,990.66

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Solution

The fourth proportional to 71,202.24, 98,256.14 and 40,990.66 is: 56,565.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,202.24 : 98,256.14 = 40,990.66 : x
  2. Step 2: Convert to fraction form
    71,202.24/98,256.14 = 40,990.66/x
  3. Step 3: Cross multiply
    71,202.24x = 98,256.14 × 40,990.66
  4. Step 4: Simplify right side
    71,202.24x = 4,027,583,730.77
  5. Step 5: Solve for x
    x = 4,027,583,730.77/71,202.24
  6. Step 6: Final answer
    x = 56,565.41

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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.