Home / 70,115.31-96,758.42-43,247.07

Finding the Fourth Proportional to 70,115.31, 96,758.42 and 43,247.07

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Solution

The fourth proportional to 70,115.31, 96,758.42 and 43,247.07 is: 59,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,115.31 : 96,758.42 = 43,247.07 : x
  2. Step 2: Convert to fraction form
    70,115.31/96,758.42 = 43,247.07/x
  3. Step 3: Cross multiply
    70,115.31x = 96,758.42 × 43,247.07
  4. Step 4: Simplify right side
    70,115.31x = 4,184,517,946.59
  5. Step 5: Solve for x
    x = 4,184,517,946.59/70,115.31
  6. Step 6: Final answer
    x = 59,680.52

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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.