Home / 109,660.68-164,541.10-59,665.80

Finding the Fourth Proportional to 109,660.68, 164,541.10 and 59,665.80

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Solution

The fourth proportional to 109,660.68, 164,541.10 and 59,665.80 is: 89,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,660.68 : 164,541.10 = 59,665.80 : x
  2. Step 2: Convert to fraction form
    109,660.68/164,541.10 = 59,665.80/x
  3. Step 3: Cross multiply
    109,660.68x = 164,541.10 × 59,665.80
  4. Step 4: Simplify right side
    109,660.68x = 9,817,476,364.38
  5. Step 5: Solve for x
    x = 9,817,476,364.38/109,660.68
  6. Step 6: Final answer
    x = 89,525.95

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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.