Home / 112,036.08-154,607.79-61,049.25

Finding the Fourth Proportional to 112,036.08, 154,607.79 and 61,049.25

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Solution

The fourth proportional to 112,036.08, 154,607.79 and 61,049.25 is: 84,246.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,036.08 : 154,607.79 = 61,049.25 : x
  2. Step 2: Convert to fraction form
    112,036.08/154,607.79 = 61,049.25/x
  3. Step 3: Cross multiply
    112,036.08x = 154,607.79 × 61,049.25
  4. Step 4: Simplify right side
    112,036.08x = 9,438,689,623.66
  5. Step 5: Solve for x
    x = 9,438,689,623.66/112,036.08
  6. Step 6: Final answer
    x = 84,246.87

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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.