Home / 83,425.95-115,035.56-53,163.35

Finding the Fourth Proportional to 83,425.95, 115,035.56 and 53,163.35

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Solution

The fourth proportional to 83,425.95, 115,035.56 and 53,163.35 is: 73,306.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,425.95 : 115,035.56 = 53,163.35 : x
  2. Step 2: Convert to fraction form
    83,425.95/115,035.56 = 53,163.35/x
  3. Step 3: Cross multiply
    83,425.95x = 115,035.56 × 53,163.35
  4. Step 4: Simplify right side
    83,425.95x = 6,115,674,897.73
  5. Step 5: Solve for x
    x = 6,115,674,897.73/83,425.95
  6. Step 6: Final answer
    x = 73,306.63

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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.