Home / 70,262.74-96,961.38-38,430.97

Finding the Fourth Proportional to 70,262.74, 96,961.38 and 38,430.97

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Solution

The fourth proportional to 70,262.74, 96,961.38 and 38,430.97 is: 53,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,262.74 : 96,961.38 = 38,430.97 : x
  2. Step 2: Convert to fraction form
    70,262.74/96,961.38 = 38,430.97/x
  3. Step 3: Cross multiply
    70,262.74x = 96,961.38 × 38,430.97
  4. Step 4: Simplify right side
    70,262.74x = 3,726,319,885.94
  5. Step 5: Solve for x
    x = 3,726,319,885.94/70,262.74
  6. Step 6: Final answer
    x = 53,034.08

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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.