Home / 112,064.06-154,647.43-61,076.79

Finding the Fourth Proportional to 112,064.06, 154,647.43 and 61,076.79

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Solution

The fourth proportional to 112,064.06, 154,647.43 and 61,076.79 is: 84,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,064.06 : 154,647.43 = 61,076.79 : x
  2. Step 2: Convert to fraction form
    112,064.06/154,647.43 = 61,076.79/x
  3. Step 3: Cross multiply
    112,064.06x = 154,647.43 × 61,076.79
  4. Step 4: Simplify right side
    112,064.06x = 9,445,368,606.15
  5. Step 5: Solve for x
    x = 9,445,368,606.15/112,064.06
  6. Step 6: Final answer
    x = 84,285.44

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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.