Home / 79,132.50-109,203.26-59,007.24

Finding the Fourth Proportional to 79,132.50, 109,203.26 and 59,007.24

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Solution

The fourth proportional to 79,132.50, 109,203.26 and 59,007.24 is: 81,430.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132.50 : 109,203.26 = 59,007.24 : x
  2. Step 2: Convert to fraction form
    79,132.50/109,203.26 = 59,007.24/x
  3. Step 3: Cross multiply
    79,132.50x = 109,203.26 × 59,007.24
  4. Step 4: Simplify right side
    79,132.50x = 6,443,782,676.57
  5. Step 5: Solve for x
    x = 6,443,782,676.57/79,132.50
  6. Step 6: Final answer
    x = 81,430.29

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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.