Home / 70,301.76-97,016.43-38,470.66

Finding the Fourth Proportional to 70,301.76, 97,016.43 and 38,470.66

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Solution

The fourth proportional to 70,301.76, 97,016.43 and 38,470.66 is: 53,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,301.76 : 97,016.43 = 38,470.66 : x
  2. Step 2: Convert to fraction form
    70,301.76/97,016.43 = 38,470.66/x
  3. Step 3: Cross multiply
    70,301.76x = 97,016.43 × 38,470.66
  4. Step 4: Simplify right side
    70,301.76x = 3,732,285,607.86
  5. Step 5: Solve for x
    x = 3,732,285,607.86/70,301.76
  6. Step 6: Final answer
    x = 53,089.51

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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.