Home / 76,982-115,476.36-24,395.36

Finding the Fourth Proportional to 76,982, 115,476.36 and 24,395.36

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Solution

The fourth proportional to 76,982, 115,476.36 and 24,395.36 is: 36,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,982 : 115,476.36 = 24,395.36 : x
  2. Step 2: Convert to fraction form
    76,982/115,476.36 = 24,395.36/x
  3. Step 3: Cross multiply
    76,982x = 115,476.36 × 24,395.36
  4. Step 4: Simplify right side
    76,982x = 2,817,087,373.69
  5. Step 5: Solve for x
    x = 2,817,087,373.69/76,982
  6. Step 6: Final answer
    x = 36,594.10

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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.