Home / 112,016.93-154,583.28-61,715.93

Finding the Fourth Proportional to 112,016.93, 154,583.28 and 61,715.93

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Solution

The fourth proportional to 112,016.93, 154,583.28 and 61,715.93 is: 85,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,016.93 : 154,583.28 = 61,715.93 : x
  2. Step 2: Convert to fraction form
    112,016.93/154,583.28 = 61,715.93/x
  3. Step 3: Cross multiply
    112,016.93x = 154,583.28 × 61,715.93
  4. Step 4: Simplify right side
    112,016.93x = 9,540,250,579.07
  5. Step 5: Solve for x
    x = 9,540,250,579.07/112,016.93
  6. Step 6: Final answer
    x = 85,167.93

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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.