Home / 67,457.22-101,177.19-20,706.18

Finding the Fourth Proportional to 67,457.22, 101,177.19 and 20,706.18

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Solution

The fourth proportional to 67,457.22, 101,177.19 and 20,706.18 is: 31,056.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,457.22 : 101,177.19 = 20,706.18 : x
  2. Step 2: Convert to fraction form
    67,457.22/101,177.19 = 20,706.18/x
  3. Step 3: Cross multiply
    67,457.22x = 101,177.19 × 20,706.18
  4. Step 4: Simplify right side
    67,457.22x = 2,094,993,108.03
  5. Step 5: Solve for x
    x = 2,094,993,108.03/67,457.22
  6. Step 6: Final answer
    x = 31,056.62

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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.