Home / 99,716.27-137,606.04-57,277.53

Finding the Fourth Proportional to 99,716.27, 137,606.04 and 57,277.53

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Solution

The fourth proportional to 99,716.27, 137,606.04 and 57,277.53 is: 79,041.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,716.27 : 137,606.04 = 57,277.53 : x
  2. Step 2: Convert to fraction form
    99,716.27/137,606.04 = 57,277.53/x
  3. Step 3: Cross multiply
    99,716.27x = 137,606.04 × 57,277.53
  4. Step 4: Simplify right side
    99,716.27x = 7,881,734,084.28
  5. Step 5: Solve for x
    x = 7,881,734,084.28/99,716.27
  6. Step 6: Final answer
    x = 79,041.61

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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.