Home / 112,950.01-155,870.38-61,961.43

Finding the Fourth Proportional to 112,950.01, 155,870.38 and 61,961.43

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Solution

The fourth proportional to 112,950.01, 155,870.38 and 61,961.43 is: 85,506.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,950.01 : 155,870.38 = 61,961.43 : x
  2. Step 2: Convert to fraction form
    112,950.01/155,870.38 = 61,961.43/x
  3. Step 3: Cross multiply
    112,950.01x = 155,870.38 × 61,961.43
  4. Step 4: Simplify right side
    112,950.01x = 9,657,951,514.49
  5. Step 5: Solve for x
    x = 9,657,951,514.49/112,950.01
  6. Step 6: Final answer
    x = 85,506.43

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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.