Home / 76,254.20-114,398.04-31,275.81

Finding the Fourth Proportional to 76,254.20, 114,398.04 and 31,275.81

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Solution

The fourth proportional to 76,254.20, 114,398.04 and 31,275.81 is: 46,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,254.20 : 114,398.04 = 31,275.81 : x
  2. Step 2: Convert to fraction form
    76,254.20/114,398.04 = 31,275.81/x
  3. Step 3: Cross multiply
    76,254.20x = 114,398.04 × 31,275.81
  4. Step 4: Simplify right side
    76,254.20x = 3,577,891,209.87
  5. Step 5: Solve for x
    x = 3,577,891,209.87/76,254.20
  6. Step 6: Final answer
    x = 46,920.58

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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.