Home / 70,301.62-97,016.21-38,470.51

Finding the Fourth Proportional to 70,301.62, 97,016.21 and 38,470.51

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Solution

The fourth proportional to 70,301.62, 97,016.21 and 38,470.51 is: 53,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,301.62 : 97,016.21 = 38,470.51 : x
  2. Step 2: Convert to fraction form
    70,301.62/97,016.21 = 38,470.51/x
  3. Step 3: Cross multiply
    70,301.62x = 97,016.21 × 38,470.51
  4. Step 4: Simplify right side
    70,301.62x = 3,732,263,076.97
  5. Step 5: Solve for x
    x = 3,732,263,076.97/70,301.62
  6. Step 6: Final answer
    x = 53,089.29

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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.