Home / 98,095.40-147,108.48-31,513.04

Finding the Fourth Proportional to 98,095.40, 147,108.48 and 31,513.04

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Solution

The fourth proportional to 98,095.40, 147,108.48 and 31,513.04 is: 47,258.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,095.40 : 147,108.48 = 31,513.04 : x
  2. Step 2: Convert to fraction form
    98,095.40/147,108.48 = 31,513.04/x
  3. Step 3: Cross multiply
    98,095.40x = 147,108.48 × 31,513.04
  4. Step 4: Simplify right side
    98,095.40x = 4,635,835,414.58
  5. Step 5: Solve for x
    x = 4,635,835,414.58/98,095.40
  6. Step 6: Final answer
    x = 47,258.44

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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.