Home / 70,179.28-96,819.91-43,275.08

Finding the Fourth Proportional to 70,179.28, 96,819.91 and 43,275.08

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Solution

The fourth proportional to 70,179.28, 96,819.91 and 43,275.08 is: 59,702.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,179.28 : 96,819.91 = 43,275.08 : x
  2. Step 2: Convert to fraction form
    70,179.28/96,819.91 = 43,275.08/x
  3. Step 3: Cross multiply
    70,179.28x = 96,819.91 × 43,275.08
  4. Step 4: Simplify right side
    70,179.28x = 4,189,889,484.70
  5. Step 5: Solve for x
    x = 4,189,889,484.70/70,179.28
  6. Step 6: Final answer
    x = 59,702.66

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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.