Home / 89,731.65-134,470.48-49,768.22

Finding the Fourth Proportional to 89,731.65, 134,470.48 and 49,768.22

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Solution

The fourth proportional to 89,731.65, 134,470.48 and 49,768.22 is: 74,581.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,731.65 : 134,470.48 = 49,768.22 : x
  2. Step 2: Convert to fraction form
    89,731.65/134,470.48 = 49,768.22/x
  3. Step 3: Cross multiply
    89,731.65x = 134,470.48 × 49,768.22
  4. Step 4: Simplify right side
    89,731.65x = 6,692,356,737.22
  5. Step 5: Solve for x
    x = 6,692,356,737.22/89,731.65
  6. Step 6: Final answer
    x = 74,581.90

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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.