Home / 112,262.76-154,922.40-61,961.76

Finding the Fourth Proportional to 112,262.76, 154,922.40 and 61,961.76

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Solution

The fourth proportional to 112,262.76, 154,922.40 and 61,961.76 is: 85,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,262.76 : 154,922.40 = 61,961.76 : x
  2. Step 2: Convert to fraction form
    112,262.76/154,922.40 = 61,961.76/x
  3. Step 3: Cross multiply
    112,262.76x = 154,922.40 × 61,961.76
  4. Step 4: Simplify right side
    112,262.76x = 9,599,264,567.42
  5. Step 5: Solve for x
    x = 9,599,264,567.42/112,262.76
  6. Step 6: Final answer
    x = 85,507.11

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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.