Home / 89,589.11-123,630.27-49,302.81

Finding the Fourth Proportional to 89,589.11, 123,630.27 and 49,302.81

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Solution

The fourth proportional to 89,589.11, 123,630.27 and 49,302.81 is: 68,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,589.11 : 123,630.27 = 49,302.81 : x
  2. Step 2: Convert to fraction form
    89,589.11/123,630.27 = 49,302.81/x
  3. Step 3: Cross multiply
    89,589.11x = 123,630.27 × 49,302.81
  4. Step 4: Simplify right side
    89,589.11x = 6,095,319,527.17
  5. Step 5: Solve for x
    x = 6,095,319,527.17/89,589.11
  6. Step 6: Final answer
    x = 68,036.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.