Home / 112,046.82-154,623.36-64,307.70

Finding the Fourth Proportional to 112,046.82, 154,623.36 and 64,307.70

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Solution

The fourth proportional to 112,046.82, 154,623.36 and 64,307.70 is: 88,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,046.82 : 154,623.36 = 64,307.70 : x
  2. Step 2: Convert to fraction form
    112,046.82/154,623.36 = 64,307.70/x
  3. Step 3: Cross multiply
    112,046.82x = 154,623.36 × 64,307.70
  4. Step 4: Simplify right side
    112,046.82x = 9,943,472,647.87
  5. Step 5: Solve for x
    x = 9,943,472,647.87/112,046.82
  6. Step 6: Final answer
    x = 88,743.91

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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.