Home / 124,318.88-186,425.18-47,331.36

Finding the Fourth Proportional to 124,318.88, 186,425.18 and 47,331.36

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Solution

The fourth proportional to 124,318.88, 186,425.18 and 47,331.36 is: 70,976.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,318.88 : 186,425.18 = 47,331.36 : x
  2. Step 2: Convert to fraction form
    124,318.88/186,425.18 = 47,331.36/x
  3. Step 3: Cross multiply
    124,318.88x = 186,425.18 × 47,331.36
  4. Step 4: Simplify right side
    124,318.88x = 8,823,757,307.64
  5. Step 5: Solve for x
    x = 8,823,757,307.64/124,318.88
  6. Step 6: Final answer
    x = 70,976.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.