Home / 112,037.42-154,619.27-68,448.62

Finding the Fourth Proportional to 112,037.42, 154,619.27 and 68,448.62

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Solution

The fourth proportional to 112,037.42, 154,619.27 and 68,448.62 is: 94,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,037.42 : 154,619.27 = 68,448.62 : x
  2. Step 2: Convert to fraction form
    112,037.42/154,619.27 = 68,448.62/x
  3. Step 3: Cross multiply
    112,037.42x = 154,619.27 × 68,448.62
  4. Step 4: Simplify right side
    112,037.42x = 10,583,475,656.91
  5. Step 5: Solve for x
    x = 10,583,475,656.91/112,037.42
  6. Step 6: Final answer
    x = 94,463.76

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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.