Home / 112,022.87-167,639.42-69,922.71

Finding the Fourth Proportional to 112,022.87, 167,639.42 and 69,922.71

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Solution

The fourth proportional to 112,022.87, 167,639.42 and 69,922.71 is: 104,637.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,022.87 : 167,639.42 = 69,922.71 : x
  2. Step 2: Convert to fraction form
    112,022.87/167,639.42 = 69,922.71/x
  3. Step 3: Cross multiply
    112,022.87x = 167,639.42 × 69,922.71
  4. Step 4: Simplify right side
    112,022.87x = 11,721,802,199.61
  5. Step 5: Solve for x
    x = 11,721,802,199.61/112,022.87
  6. Step 6: Final answer
    x = 104,637.59

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1.5x scale

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.