Home / 98,843.13-148,242.46-45,483.92

Finding the Fourth Proportional to 98,843.13, 148,242.46 and 45,483.92

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Solution

The fourth proportional to 98,843.13, 148,242.46 and 45,483.92 is: 68,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,843.13 : 148,242.46 = 45,483.92 : x
  2. Step 2: Convert to fraction form
    98,843.13/148,242.46 = 45,483.92/x
  3. Step 3: Cross multiply
    98,843.13x = 148,242.46 × 45,483.92
  4. Step 4: Simplify right side
    98,843.13x = 6,742,648,448.14
  5. Step 5: Solve for x
    x = 6,742,648,448.14/98,843.13
  6. Step 6: Final answer
    x = 68,215.65

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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.