Home / 100,690.81-151,014.93-29,594.15

Finding the Fourth Proportional to 100,690.81, 151,014.93 and 29,594.15

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Solution

The fourth proportional to 100,690.81, 151,014.93 and 29,594.15 is: 44,384.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,690.81 : 151,014.93 = 29,594.15 : x
  2. Step 2: Convert to fraction form
    100,690.81/151,014.93 = 29,594.15/x
  3. Step 3: Cross multiply
    100,690.81x = 151,014.93 × 29,594.15
  4. Step 4: Simplify right side
    100,690.81x = 4,469,158,490.66
  5. Step 5: Solve for x
    x = 4,469,158,490.66/100,690.81
  6. Step 6: Final answer
    x = 44,384.97

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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.