Home / 76,747.83-115,200.27-63,378.24

Finding the Fourth Proportional to 76,747.83, 115,200.27 and 63,378.24

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Solution

The fourth proportional to 76,747.83, 115,200.27 and 63,378.24 is: 95,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,747.83 : 115,200.27 = 63,378.24 : x
  2. Step 2: Convert to fraction form
    76,747.83/115,200.27 = 63,378.24/x
  3. Step 3: Cross multiply
    76,747.83x = 115,200.27 × 63,378.24
  4. Step 4: Simplify right side
    76,747.83x = 7,301,190,360.12
  5. Step 5: Solve for x
    x = 7,301,190,360.12/76,747.83
  6. Step 6: Final answer
    x = 95,132.21

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1.5x scale

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.