Home / 83,766.04-125,655.16-31,175.50

Finding the Fourth Proportional to 83,766.04, 125,655.16 and 31,175.50

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Solution

The fourth proportional to 83,766.04, 125,655.16 and 31,175.50 is: 46,765.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,766.04 : 125,655.16 = 31,175.50 : x
  2. Step 2: Convert to fraction form
    83,766.04/125,655.16 = 31,175.50/x
  3. Step 3: Cross multiply
    83,766.04x = 125,655.16 × 31,175.50
  4. Step 4: Simplify right side
    83,766.04x = 3,917,362,440.58
  5. Step 5: Solve for x
    x = 3,917,362,440.58/83,766.04
  6. Step 6: Final answer
    x = 46,765.52

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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.