Home / 77,124.48-115,702.50-32,751.04

Finding the Fourth Proportional to 77,124.48, 115,702.50 and 32,751.04

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Solution

The fourth proportional to 77,124.48, 115,702.50 and 32,751.04 is: 49,133.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,124.48 : 115,702.50 = 32,751.04 : x
  2. Step 2: Convert to fraction form
    77,124.48/115,702.50 = 32,751.04/x
  3. Step 3: Cross multiply
    77,124.48x = 115,702.50 × 32,751.04
  4. Step 4: Simplify right side
    77,124.48x = 3,789,377,205.60
  5. Step 5: Solve for x
    x = 3,789,377,205.60/77,124.48
  6. Step 6: Final answer
    x = 49,133.26

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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.