Home / 83,595.18-125,334.45-30,990.54

Finding the Fourth Proportional to 83,595.18, 125,334.45 and 30,990.54

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Solution

The fourth proportional to 83,595.18, 125,334.45 and 30,990.54 is: 46,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,595.18 : 125,334.45 = 30,990.54 : x
  2. Step 2: Convert to fraction form
    83,595.18/125,334.45 = 30,990.54/x
  3. Step 3: Cross multiply
    83,595.18x = 125,334.45 × 30,990.54
  4. Step 4: Simplify right side
    83,595.18x = 3,884,182,071.33
  5. Step 5: Solve for x
    x = 3,884,182,071.33/83,595.18
  6. Step 6: Final answer
    x = 46,464.19

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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.