Home / 86,972.24-120,022.14-49,253.84

Finding the Fourth Proportional to 86,972.24, 120,022.14 and 49,253.84

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Solution

The fourth proportional to 86,972.24, 120,022.14 and 49,253.84 is: 67,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972.24 : 120,022.14 = 49,253.84 : x
  2. Step 2: Convert to fraction form
    86,972.24/120,022.14 = 49,253.84/x
  3. Step 3: Cross multiply
    86,972.24x = 120,022.14 × 49,253.84
  4. Step 4: Simplify right side
    86,972.24x = 5,911,551,280.02
  5. Step 5: Solve for x
    x = 5,911,551,280.02/86,972.24
  6. Step 6: Final answer
    x = 67,970.55

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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.