Home / 89,627.30-134,524.07-45,285.19

Finding the Fourth Proportional to 89,627.30, 134,524.07 and 45,285.19

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Solution

The fourth proportional to 89,627.30, 134,524.07 and 45,285.19 is: 67,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,627.30 : 134,524.07 = 45,285.19 : x
  2. Step 2: Convert to fraction form
    89,627.30/134,524.07 = 45,285.19/x
  3. Step 3: Cross multiply
    89,627.30x = 134,524.07 × 45,285.19
  4. Step 4: Simplify right side
    89,627.30x = 6,091,948,182.74
  5. Step 5: Solve for x
    x = 6,091,948,182.74/89,627.30
  6. Step 6: Final answer
    x = 67,969.79

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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.