Home / 66,149.46-99,222.37-26,705.09

Finding the Fourth Proportional to 66,149.46, 99,222.37 and 26,705.09

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Solution

The fourth proportional to 66,149.46, 99,222.37 and 26,705.09 is: 40,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,149.46 : 99,222.37 = 26,705.09 : x
  2. Step 2: Convert to fraction form
    66,149.46/99,222.37 = 26,705.09/x
  3. Step 3: Cross multiply
    66,149.46x = 99,222.37 × 26,705.09
  4. Step 4: Simplify right side
    66,149.46x = 2,649,742,502.16
  5. Step 5: Solve for x
    x = 2,649,742,502.16/66,149.46
  6. Step 6: Final answer
    x = 40,056.90

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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.