Home / 98,743.32-148,163.58-48,821.40

Finding the Fourth Proportional to 98,743.32, 148,163.58 and 48,821.40

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Solution

The fourth proportional to 98,743.32, 148,163.58 and 48,821.40 is: 73,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,743.32 : 148,163.58 = 48,821.40 : x
  2. Step 2: Convert to fraction form
    98,743.32/148,163.58 = 48,821.40/x
  3. Step 3: Cross multiply
    98,743.32x = 148,163.58 × 48,821.40
  4. Step 4: Simplify right side
    98,743.32x = 7,233,553,404.61
  5. Step 5: Solve for x
    x = 7,233,553,404.61/98,743.32
  6. Step 6: Final answer
    x = 73,256.13

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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.