Home / 79,132.52-109,202.35-43,323.13

Finding the Fourth Proportional to 79,132.52, 109,202.35 and 43,323.13

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Solution

The fourth proportional to 79,132.52, 109,202.35 and 43,323.13 is: 59,785.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132.52 : 109,202.35 = 43,323.13 : x
  2. Step 2: Convert to fraction form
    79,132.52/109,202.35 = 43,323.13/x
  3. Step 3: Cross multiply
    79,132.52x = 109,202.35 × 43,323.13
  4. Step 4: Simplify right side
    79,132.52x = 4,730,987,605.36
  5. Step 5: Solve for x
    x = 4,730,987,605.36/79,132.52
  6. Step 6: Final answer
    x = 59,785.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.