Home / 112,048.94-154,616.56-66,717.90

Finding the Fourth Proportional to 112,048.94, 154,616.56 and 66,717.90

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Solution

The fourth proportional to 112,048.94, 154,616.56 and 66,717.90 is: 92,064.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,048.94 : 154,616.56 = 66,717.90 : x
  2. Step 2: Convert to fraction form
    112,048.94/154,616.56 = 66,717.90/x
  3. Step 3: Cross multiply
    112,048.94x = 154,616.56 × 66,717.90
  4. Step 4: Simplify right side
    112,048.94x = 10,315,692,188.42
  5. Step 5: Solve for x
    x = 10,315,692,188.42/112,048.94
  6. Step 6: Final answer
    x = 92,064.17

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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.