Home / 83,135.67-114,727.14-45,409.92

Finding the Fourth Proportional to 83,135.67, 114,727.14 and 45,409.92

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Solution

The fourth proportional to 83,135.67, 114,727.14 and 45,409.92 is: 62,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,135.67 : 114,727.14 = 45,409.92 : x
  2. Step 2: Convert to fraction form
    83,135.67/114,727.14 = 45,409.92/x
  3. Step 3: Cross multiply
    83,135.67x = 114,727.14 × 45,409.92
  4. Step 4: Simplify right side
    83,135.67x = 5,209,750,249.23
  5. Step 5: Solve for x
    x = 5,209,750,249.23/83,135.67
  6. Step 6: Final answer
    x = 62,665.64

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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.