Home / 98,749.32-148,104.54-36,405.24

Finding the Fourth Proportional to 98,749.32, 148,104.54 and 36,405.24

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Solution

The fourth proportional to 98,749.32, 148,104.54 and 36,405.24 is: 54,600.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,749.32 : 148,104.54 = 36,405.24 : x
  2. Step 2: Convert to fraction form
    98,749.32/148,104.54 = 36,405.24/x
  3. Step 3: Cross multiply
    98,749.32x = 148,104.54 × 36,405.24
  4. Step 4: Simplify right side
    98,749.32x = 5,391,781,323.79
  5. Step 5: Solve for x
    x = 5,391,781,323.79/98,749.32
  6. Step 6: Final answer
    x = 54,600.69

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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.