Home / 96,191.12-132,743.47-53,749.69

Finding the Fourth Proportional to 96,191.12, 132,743.47 and 53,749.69

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Solution

The fourth proportional to 96,191.12, 132,743.47 and 53,749.69 is: 74,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,191.12 : 132,743.47 = 53,749.69 : x
  2. Step 2: Convert to fraction form
    96,191.12/132,743.47 = 53,749.69/x
  3. Step 3: Cross multiply
    96,191.12x = 132,743.47 × 53,749.69
  4. Step 4: Simplify right side
    96,191.12x = 7,134,920,362.02
  5. Step 5: Solve for x
    x = 7,134,920,362.02/96,191.12
  6. Step 6: Final answer
    x = 74,174.42

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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.