Home / 98,717.64-148,031.94-48,778.26

Finding the Fourth Proportional to 98,717.64, 148,031.94 and 48,778.26

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Solution

The fourth proportional to 98,717.64, 148,031.94 and 48,778.26 is: 73,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,717.64 : 148,031.94 = 48,778.26 : x
  2. Step 2: Convert to fraction form
    98,717.64/148,031.94 = 48,778.26/x
  3. Step 3: Cross multiply
    98,717.64x = 148,031.94 × 48,778.26
  4. Step 4: Simplify right side
    98,717.64x = 7,220,740,457.62
  5. Step 5: Solve for x
    x = 7,220,740,457.62/98,717.64
  6. Step 6: Final answer
    x = 73,145.39

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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.