Home / 95,078.16-142,633.44-47,715.84

Finding the Fourth Proportional to 95,078.16, 142,633.44 and 47,715.84

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Solution

The fourth proportional to 95,078.16, 142,633.44 and 47,715.84 is: 71,581.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,078.16 : 142,633.44 = 47,715.84 : x
  2. Step 2: Convert to fraction form
    95,078.16/142,633.44 = 47,715.84/x
  3. Step 3: Cross multiply
    95,078.16x = 142,633.44 × 47,715.84
  4. Step 4: Simplify right side
    95,078.16x = 6,805,874,401.69
  5. Step 5: Solve for x
    x = 6,805,874,401.69/95,078.16
  6. Step 6: Final answer
    x = 71,581.89

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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.