Home / 70,301.59-97,016.20-38,470.49

Finding the Fourth Proportional to 70,301.59, 97,016.20 and 38,470.49

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Solution

The fourth proportional to 70,301.59, 97,016.20 and 38,470.49 is: 53,089.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,301.59 : 97,016.20 = 38,470.49 : x
  2. Step 2: Convert to fraction form
    70,301.59/97,016.20 = 38,470.49/x
  3. Step 3: Cross multiply
    70,301.59x = 97,016.20 × 38,470.49
  4. Step 4: Simplify right side
    70,301.59x = 3,732,260,751.94
  5. Step 5: Solve for x
    x = 3,732,260,751.94/70,301.59
  6. Step 6: Final answer
    x = 53,089.28

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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.