Home / 102,480.52-153,725.49-31,398.06

Finding the Fourth Proportional to 102,480.52, 153,725.49 and 31,398.06

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Solution

The fourth proportional to 102,480.52, 153,725.49 and 31,398.06 is: 47,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,480.52 : 153,725.49 = 31,398.06 : x
  2. Step 2: Convert to fraction form
    102,480.52/153,725.49 = 31,398.06/x
  3. Step 3: Cross multiply
    102,480.52x = 153,725.49 × 31,398.06
  4. Step 4: Simplify right side
    102,480.52x = 4,826,682,158.55
  5. Step 5: Solve for x
    x = 4,826,682,158.55/102,480.52
  6. Step 6: Final answer
    x = 47,098.53

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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.