Home / 96,729.72-145,021.50-63,458.16

Finding the Fourth Proportional to 96,729.72, 145,021.50 and 63,458.16

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Solution

The fourth proportional to 96,729.72, 145,021.50 and 63,458.16 is: 95,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,729.72 : 145,021.50 = 63,458.16 : x
  2. Step 2: Convert to fraction form
    96,729.72/145,021.50 = 63,458.16/x
  3. Step 3: Cross multiply
    96,729.72x = 145,021.50 × 63,458.16
  4. Step 4: Simplify right side
    96,729.72x = 9,202,797,550.44
  5. Step 5: Solve for x
    x = 9,202,797,550.44/96,729.72
  6. Step 6: Final answer
    x = 95,139.30

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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.