Home / 105,675.17-158,581.44-45,762.15

Finding the Fourth Proportional to 105,675.17, 158,581.44 and 45,762.15

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Solution

The fourth proportional to 105,675.17, 158,581.44 and 45,762.15 is: 68,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,675.17 : 158,581.44 = 45,762.15 : x
  2. Step 2: Convert to fraction form
    105,675.17/158,581.44 = 45,762.15/x
  3. Step 3: Cross multiply
    105,675.17x = 158,581.44 × 45,762.15
  4. Step 4: Simplify right side
    105,675.17x = 7,257,027,644.50
  5. Step 5: Solve for x
    x = 7,257,027,644.50/105,675.17
  6. Step 6: Final answer
    x = 68,672.97

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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.