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Finding the Fourth Proportional to 60,149, 83,005.62 and 35,015.24

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Solution

The fourth proportional to 60,149, 83,005.62 and 35,015.24 is: 48,321.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,149 : 83,005.62 = 35,015.24 : x
  2. Step 2: Convert to fraction form
    60,149/83,005.62 = 35,015.24/x
  3. Step 3: Cross multiply
    60,149x = 83,005.62 × 35,015.24
  4. Step 4: Simplify right side
    60,149x = 2,906,461,705.65
  5. Step 5: Solve for x
    x = 2,906,461,705.65/60,149
  6. Step 6: Final answer
    x = 48,321.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.