Home / 83,601.95-115,410.38-52,990.34

Finding the Fourth Proportional to 83,601.95, 115,410.38 and 52,990.34

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Solution

The fourth proportional to 83,601.95, 115,410.38 and 52,990.34 is: 73,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,601.95 : 115,410.38 = 52,990.34 : x
  2. Step 2: Convert to fraction form
    83,601.95/115,410.38 = 52,990.34/x
  3. Step 3: Cross multiply
    83,601.95x = 115,410.38 × 52,990.34
  4. Step 4: Simplify right side
    83,601.95x = 6,115,634,433.73
  5. Step 5: Solve for x
    x = 6,115,634,433.73/83,601.95
  6. Step 6: Final answer
    x = 73,151.82

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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.