Home / 70,040.19-96,655.34-38,209.09

Finding the Fourth Proportional to 70,040.19, 96,655.34 and 38,209.09

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Solution

The fourth proportional to 70,040.19, 96,655.34 and 38,209.09 is: 52,728.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,040.19 : 96,655.34 = 38,209.09 : x
  2. Step 2: Convert to fraction form
    70,040.19/96,655.34 = 38,209.09/x
  3. Step 3: Cross multiply
    70,040.19x = 96,655.34 × 38,209.09
  4. Step 4: Simplify right side
    70,040.19x = 3,693,112,585.04
  5. Step 5: Solve for x
    x = 3,693,112,585.04/70,040.19
  6. Step 6: Final answer
    x = 52,728.48

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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.