Home / 112,003.97-154,565.44-61,702.97

Finding the Fourth Proportional to 112,003.97, 154,565.44 and 61,702.97

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Solution

The fourth proportional to 112,003.97, 154,565.44 and 61,702.97 is: 85,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,003.97 : 154,565.44 = 61,702.97 : x
  2. Step 2: Convert to fraction form
    112,003.97/154,565.44 = 61,702.97/x
  3. Step 3: Cross multiply
    112,003.97x = 154,565.44 × 61,702.97
  4. Step 4: Simplify right side
    112,003.97x = 9,537,146,939.51
  5. Step 5: Solve for x
    x = 9,537,146,939.51/112,003.97
  6. Step 6: Final answer
    x = 85,150.08

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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.