Home / 105,452.68-158,215.93-30,577.32

Finding the Fourth Proportional to 105,452.68, 158,215.93 and 30,577.32

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Solution

The fourth proportional to 105,452.68, 158,215.93 and 30,577.32 is: 45,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,452.68 : 158,215.93 = 30,577.32 : x
  2. Step 2: Convert to fraction form
    105,452.68/158,215.93 = 30,577.32/x
  3. Step 3: Cross multiply
    105,452.68x = 158,215.93 × 30,577.32
  4. Step 4: Simplify right side
    105,452.68x = 4,837,819,216.26
  5. Step 5: Solve for x
    x = 4,837,819,216.26/105,452.68
  6. Step 6: Final answer
    x = 45,876.68

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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.