Home / 70,351.17-97,084.89-38,519.79

Finding the Fourth Proportional to 70,351.17, 97,084.89 and 38,519.79

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Solution

The fourth proportional to 70,351.17, 97,084.89 and 38,519.79 is: 53,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,351.17 : 97,084.89 = 38,519.79 : x
  2. Step 2: Convert to fraction form
    70,351.17/97,084.89 = 38,519.79/x
  3. Step 3: Cross multiply
    70,351.17x = 97,084.89 × 38,519.79
  4. Step 4: Simplify right side
    70,351.17x = 3,739,689,574.97
  5. Step 5: Solve for x
    x = 3,739,689,574.97/70,351.17
  6. Step 6: Final answer
    x = 53,157.46

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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.