Home / 107,022.74-160,521.32-28,143.11

Finding the Fourth Proportional to 107,022.74, 160,521.32 and 28,143.11

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Solution

The fourth proportional to 107,022.74, 160,521.32 and 28,143.11 is: 42,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,022.74 : 160,521.32 = 28,143.11 : x
  2. Step 2: Convert to fraction form
    107,022.74/160,521.32 = 28,143.11/x
  3. Step 3: Cross multiply
    107,022.74x = 160,521.32 × 28,143.11
  4. Step 4: Simplify right side
    107,022.74x = 4,517,569,637.77
  5. Step 5: Solve for x
    x = 4,517,569,637.77/107,022.74
  6. Step 6: Final answer
    x = 42,211.31

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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.