Home / 70,144.57-96,796.65-38,313.66

Finding the Fourth Proportional to 70,144.57, 96,796.65 and 38,313.66

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Solution

The fourth proportional to 70,144.57, 96,796.65 and 38,313.66 is: 52,871.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,144.57 : 96,796.65 = 38,313.66 : x
  2. Step 2: Convert to fraction form
    70,144.57/96,796.65 = 38,313.66/x
  3. Step 3: Cross multiply
    70,144.57x = 96,796.65 × 38,313.66
  4. Step 4: Simplify right side
    70,144.57x = 3,708,633,937.24
  5. Step 5: Solve for x
    x = 3,708,633,937.24/70,144.57
  6. Step 6: Final answer
    x = 52,871.29

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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.