Home / 89,460.74-123,446.48-51,727.70

Finding the Fourth Proportional to 89,460.74, 123,446.48 and 51,727.70

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Solution

The fourth proportional to 89,460.74, 123,446.48 and 51,727.70 is: 71,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,460.74 : 123,446.48 = 51,727.70 : x
  2. Step 2: Convert to fraction form
    89,460.74/123,446.48 = 51,727.70/x
  3. Step 3: Cross multiply
    89,460.74x = 123,446.48 × 51,727.70
  4. Step 4: Simplify right side
    89,460.74x = 6,385,602,483.50
  5. Step 5: Solve for x
    x = 6,385,602,483.50/89,460.74
  6. Step 6: Final answer
    x = 71,378.82

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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.