Home / 99,968.64-137,960.91-57,527.34

Finding the Fourth Proportional to 99,968.64, 137,960.91 and 57,527.34

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Solution

The fourth proportional to 99,968.64, 137,960.91 and 57,527.34 is: 79,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,968.64 : 137,960.91 = 57,527.34 : x
  2. Step 2: Convert to fraction form
    99,968.64/137,960.91 = 57,527.34/x
  3. Step 3: Cross multiply
    99,968.64x = 137,960.91 × 57,527.34
  4. Step 4: Simplify right side
    99,968.64x = 7,936,524,176.28
  5. Step 5: Solve for x
    x = 7,936,524,176.28/99,968.64
  6. Step 6: Final answer
    x = 79,390.14

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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.