Home / 89,945.24-134,957.64-47,240.62

Finding the Fourth Proportional to 89,945.24, 134,957.64 and 47,240.62

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Solution

The fourth proportional to 89,945.24, 134,957.64 and 47,240.62 is: 70,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,945.24 : 134,957.64 = 47,240.62 : x
  2. Step 2: Convert to fraction form
    89,945.24/134,957.64 = 47,240.62/x
  3. Step 3: Cross multiply
    89,945.24x = 134,957.64 × 47,240.62
  4. Step 4: Simplify right side
    89,945.24x = 6,375,482,427.10
  5. Step 5: Solve for x
    x = 6,375,482,427.10/89,945.24
  6. Step 6: Final answer
    x = 70,881.83

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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.