Home / 70,107.12-96,749.24-38,276.15

Finding the Fourth Proportional to 70,107.12, 96,749.24 and 38,276.15

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Solution

The fourth proportional to 70,107.12, 96,749.24 and 38,276.15 is: 52,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,107.12 : 96,749.24 = 38,276.15 : x
  2. Step 2: Convert to fraction form
    70,107.12/96,749.24 = 38,276.15/x
  3. Step 3: Cross multiply
    70,107.12x = 96,749.24 × 38,276.15
  4. Step 4: Simplify right side
    70,107.12x = 3,703,187,747.50
  5. Step 5: Solve for x
    x = 3,703,187,747.50/70,107.12
  6. Step 6: Final answer
    x = 52,821.85

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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.