Home / 60,730.20-91,113.15-31,168.68

Finding the Fourth Proportional to 60,730.20, 91,113.15 and 31,168.68

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Solution

The fourth proportional to 60,730.20, 91,113.15 and 31,168.68 is: 46,762.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,730.20 : 91,113.15 = 31,168.68 : x
  2. Step 2: Convert to fraction form
    60,730.20/91,113.15 = 31,168.68/x
  3. Step 3: Cross multiply
    60,730.20x = 91,113.15 × 31,168.68
  4. Step 4: Simplify right side
    60,730.20x = 2,839,876,616.14
  5. Step 5: Solve for x
    x = 2,839,876,616.14/60,730.20
  6. Step 6: Final answer
    x = 46,762.18

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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.