Home / 89,049.60-133,660.80-44,726.40

Finding the Fourth Proportional to 89,049.60, 133,660.80 and 44,726.40

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Solution

The fourth proportional to 89,049.60, 133,660.80 and 44,726.40 is: 67,133.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,049.60 : 133,660.80 = 44,726.40 : x
  2. Step 2: Convert to fraction form
    89,049.60/133,660.80 = 44,726.40/x
  3. Step 3: Cross multiply
    89,049.60x = 133,660.80 × 44,726.40
  4. Step 4: Simplify right side
    89,049.60x = 5,978,166,405.12
  5. Step 5: Solve for x
    x = 5,978,166,405.12/89,049.60
  6. Step 6: Final answer
    x = 67,133.00

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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.