Home / 112,193.11-154,815.73-61,888.87

Finding the Fourth Proportional to 112,193.11, 154,815.73 and 61,888.87

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Solution

The fourth proportional to 112,193.11, 154,815.73 and 61,888.87 is: 85,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,193.11 : 154,815.73 = 61,888.87 : x
  2. Step 2: Convert to fraction form
    112,193.11/154,815.73 = 61,888.87/x
  3. Step 3: Cross multiply
    112,193.11x = 154,815.73 × 61,888.87
  4. Step 4: Simplify right side
    112,193.11x = 9,581,370,587.93
  5. Step 5: Solve for x
    x = 9,581,370,587.93/112,193.11
  6. Step 6: Final answer
    x = 85,400.70

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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.