Home / 72,062.48-108,001.56-30,452.24

Finding the Fourth Proportional to 72,062.48, 108,001.56 and 30,452.24

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Solution

The fourth proportional to 72,062.48, 108,001.56 and 30,452.24 is: 45,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,062.48 : 108,001.56 = 30,452.24 : x
  2. Step 2: Convert to fraction form
    72,062.48/108,001.56 = 30,452.24/x
  3. Step 3: Cross multiply
    72,062.48x = 108,001.56 × 30,452.24
  4. Step 4: Simplify right side
    72,062.48x = 3,288,889,425.49
  5. Step 5: Solve for x
    x = 3,288,889,425.49/72,062.48
  6. Step 6: Final answer
    x = 45,639.41

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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.