Home / 89,931.13-134,912.89-44,975.93

Finding the Fourth Proportional to 89,931.13, 134,912.89 and 44,975.93

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Solution

The fourth proportional to 89,931.13, 134,912.89 and 44,975.93 is: 67,471.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,931.13 : 134,912.89 = 44,975.93 : x
  2. Step 2: Convert to fraction form
    89,931.13/134,912.89 = 44,975.93/x
  3. Step 3: Cross multiply
    89,931.13x = 134,912.89 × 44,975.93
  4. Step 4: Simplify right side
    89,931.13x = 6,067,832,078.39
  5. Step 5: Solve for x
    x = 6,067,832,078.39/89,931.13
  6. Step 6: Final answer
    x = 67,471.99

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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.