Home / 98,132.17-147,104.74-31,525.54

Finding the Fourth Proportional to 98,132.17, 147,104.74 and 31,525.54

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Solution

The fourth proportional to 98,132.17, 147,104.74 and 31,525.54 is: 47,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,132.17 : 147,104.74 = 31,525.54 : x
  2. Step 2: Convert to fraction form
    98,132.17/147,104.74 = 31,525.54/x
  3. Step 3: Cross multiply
    98,132.17x = 147,104.74 × 31,525.54
  4. Step 4: Simplify right side
    98,132.17x = 4,637,556,207.43
  5. Step 5: Solve for x
    x = 4,637,556,207.43/98,132.17
  6. Step 6: Final answer
    x = 47,258.27

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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.