Home / 106,435.85-159,449.65-59,721.53

Finding the Fourth Proportional to 106,435.85, 159,449.65 and 59,721.53

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Solution

The fourth proportional to 106,435.85, 159,449.65 and 59,721.53 is: 89,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,435.85 : 159,449.65 = 59,721.53 : x
  2. Step 2: Convert to fraction form
    106,435.85/159,449.65 = 59,721.53/x
  3. Step 3: Cross multiply
    106,435.85x = 159,449.65 × 59,721.53
  4. Step 4: Simplify right side
    106,435.85x = 9,522,577,055.96
  5. Step 5: Solve for x
    x = 9,522,577,055.96/106,435.85
  6. Step 6: Final answer
    x = 89,467.76

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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.