Home / 112,002.82-154,568.73-63,603.77

Finding the Fourth Proportional to 112,002.82, 154,568.73 and 63,603.77

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Solution

The fourth proportional to 112,002.82, 154,568.73 and 63,603.77 is: 87,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,002.82 : 154,568.73 = 63,603.77 : x
  2. Step 2: Convert to fraction form
    112,002.82/154,568.73 = 63,603.77/x
  3. Step 3: Cross multiply
    112,002.82x = 154,568.73 × 63,603.77
  4. Step 4: Simplify right side
    112,002.82x = 9,831,153,952.11
  5. Step 5: Solve for x
    x = 9,831,153,952.11/112,002.82
  6. Step 6: Final answer
    x = 87,775.95

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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.