Home / 99,976.77-137,982.96-57,527.10

Finding the Fourth Proportional to 99,976.77, 137,982.96 and 57,527.10

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Solution

The fourth proportional to 99,976.77, 137,982.96 and 57,527.10 is: 79,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,976.77 : 137,982.96 = 57,527.10 : x
  2. Step 2: Convert to fraction form
    99,976.77/137,982.96 = 57,527.10/x
  3. Step 3: Cross multiply
    99,976.77x = 137,982.96 × 57,527.10
  4. Step 4: Simplify right side
    99,976.77x = 7,937,759,538.22
  5. Step 5: Solve for x
    x = 7,937,759,538.22/99,976.77
  6. Step 6: Final answer
    x = 79,396.04

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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.