Home / 99,974.66-137,965.14-57,533.22

Finding the Fourth Proportional to 99,974.66, 137,965.14 and 57,533.22

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Solution

The fourth proportional to 99,974.66, 137,965.14 and 57,533.22 is: 79,395.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,974.66 : 137,965.14 = 57,533.22 : x
  2. Step 2: Convert to fraction form
    99,974.66/137,965.14 = 57,533.22/x
  3. Step 3: Cross multiply
    99,974.66x = 137,965.14 × 57,533.22
  4. Step 4: Simplify right side
    99,974.66x = 7,937,578,751.95
  5. Step 5: Solve for x
    x = 7,937,578,751.95/99,974.66
  6. Step 6: Final answer
    x = 79,395.91

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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.