Home / 70,508.04-105,694.64-26,122.88

Finding the Fourth Proportional to 70,508.04, 105,694.64 and 26,122.88

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Solution

The fourth proportional to 70,508.04, 105,694.64 and 26,122.88 is: 39,159.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,508.04 : 105,694.64 = 26,122.88 : x
  2. Step 2: Convert to fraction form
    70,508.04/105,694.64 = 26,122.88/x
  3. Step 3: Cross multiply
    70,508.04x = 105,694.64 × 26,122.88
  4. Step 4: Simplify right side
    70,508.04x = 2,761,048,397.36
  5. Step 5: Solve for x
    x = 2,761,048,397.36/70,508.04
  6. Step 6: Final answer
    x = 39,159.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.