Home / 89,732.40-134,471.61-49,768.98

Finding the Fourth Proportional to 89,732.40, 134,471.61 and 49,768.98

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Solution

The fourth proportional to 89,732.40, 134,471.61 and 49,768.98 is: 74,583.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,732.40 : 134,471.61 = 49,768.98 : x
  2. Step 2: Convert to fraction form
    89,732.40/134,471.61 = 49,768.98/x
  3. Step 3: Cross multiply
    89,732.40x = 134,471.61 × 49,768.98
  4. Step 4: Simplify right side
    89,732.40x = 6,692,513,947.45
  5. Step 5: Solve for x
    x = 6,692,513,947.45/89,732.40
  6. Step 6: Final answer
    x = 74,583.03

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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.