Home / 70,371.32-97,108.79-38,534.06

Finding the Fourth Proportional to 70,371.32, 97,108.79 and 38,534.06

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Solution

The fourth proportional to 70,371.32, 97,108.79 and 38,534.06 is: 53,175.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,371.32 : 97,108.79 = 38,534.06 : x
  2. Step 2: Convert to fraction form
    70,371.32/97,108.79 = 38,534.06/x
  3. Step 3: Cross multiply
    70,371.32x = 97,108.79 × 38,534.06
  4. Step 4: Simplify right side
    70,371.32x = 3,741,995,990.49
  5. Step 5: Solve for x
    x = 3,741,995,990.49/70,371.32
  6. Step 6: Final answer
    x = 53,175.02

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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.