Home / 81,530.66-112,567.57-50,950.46

Finding the Fourth Proportional to 81,530.66, 112,567.57 and 50,950.46

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Solution

The fourth proportional to 81,530.66, 112,567.57 and 50,950.46 is: 70,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,530.66 : 112,567.57 = 50,950.46 : x
  2. Step 2: Convert to fraction form
    81,530.66/112,567.57 = 50,950.46/x
  3. Step 3: Cross multiply
    81,530.66x = 112,567.57 × 50,950.46
  4. Step 4: Simplify right side
    81,530.66x = 5,735,369,626.62
  5. Step 5: Solve for x
    x = 5,735,369,626.62/81,530.66
  6. Step 6: Final answer
    x = 70,346.17

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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.