Home / 65,719.70-98,664.29-56,419.48

Finding the Fourth Proportional to 65,719.70, 98,664.29 and 56,419.48

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Solution

The fourth proportional to 65,719.70, 98,664.29 and 56,419.48 is: 84,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,719.70 : 98,664.29 = 56,419.48 : x
  2. Step 2: Convert to fraction form
    65,719.70/98,664.29 = 56,419.48/x
  3. Step 3: Cross multiply
    65,719.70x = 98,664.29 × 56,419.48
  4. Step 4: Simplify right side
    65,719.70x = 5,566,587,936.37
  5. Step 5: Solve for x
    x = 5,566,587,936.37/65,719.70
  6. Step 6: Final answer
    x = 84,701.97

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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.