Home / 81,106.83-121,660.18-59,060.45

Finding the Fourth Proportional to 81,106.83, 121,660.18 and 59,060.45

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Solution

The fourth proportional to 81,106.83, 121,660.18 and 59,060.45 is: 88,590.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,106.83 : 121,660.18 = 59,060.45 : x
  2. Step 2: Convert to fraction form
    81,106.83/121,660.18 = 59,060.45/x
  3. Step 3: Cross multiply
    81,106.83x = 121,660.18 × 59,060.45
  4. Step 4: Simplify right side
    81,106.83x = 7,185,305,134.38
  5. Step 5: Solve for x
    x = 7,185,305,134.38/81,106.83
  6. Step 6: Final answer
    x = 88,590.63

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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.