Home / 71,705.36-98,912.28-59,536.96

Finding the Fourth Proportional to 71,705.36, 98,912.28 and 59,536.96

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Solution

The fourth proportional to 71,705.36, 98,912.28 and 59,536.96 is: 82,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,705.36 : 98,912.28 = 59,536.96 : x
  2. Step 2: Convert to fraction form
    71,705.36/98,912.28 = 59,536.96/x
  3. Step 3: Cross multiply
    71,705.36x = 98,912.28 × 59,536.96
  4. Step 4: Simplify right side
    71,705.36x = 5,888,936,457.87
  5. Step 5: Solve for x
    x = 5,888,936,457.87/71,705.36
  6. Step 6: Final answer
    x = 82,126.87

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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.