Home / 99,027.04-148,503.60-39,842.72

Finding the Fourth Proportional to 99,027.04, 148,503.60 and 39,842.72

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Solution

The fourth proportional to 99,027.04, 148,503.60 and 39,842.72 is: 59,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,027.04 : 148,503.60 = 39,842.72 : x
  2. Step 2: Convert to fraction form
    99,027.04/148,503.60 = 39,842.72/x
  3. Step 3: Cross multiply
    99,027.04x = 148,503.60 × 39,842.72
  4. Step 4: Simplify right side
    99,027.04x = 5,916,787,353.79
  5. Step 5: Solve for x
    x = 5,916,787,353.79/99,027.04
  6. Step 6: Final answer
    x = 59,749.21

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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.