Home / 70,116.81-96,760.49-43,248.57

Finding the Fourth Proportional to 70,116.81, 96,760.49 and 43,248.57

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Solution

The fourth proportional to 70,116.81, 96,760.49 and 43,248.57 is: 59,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,116.81 : 96,760.49 = 43,248.57 : x
  2. Step 2: Convert to fraction form
    70,116.81/96,760.49 = 43,248.57/x
  3. Step 3: Cross multiply
    70,116.81x = 96,760.49 × 43,248.57
  4. Step 4: Simplify right side
    70,116.81x = 4,184,752,608.76
  5. Step 5: Solve for x
    x = 4,184,752,608.76/70,116.81
  6. Step 6: Final answer
    x = 59,682.59

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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.