Home / 103,043.96-154,587.98-31,965.06

Finding the Fourth Proportional to 103,043.96, 154,587.98 and 31,965.06

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Solution

The fourth proportional to 103,043.96, 154,587.98 and 31,965.06 is: 47,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,043.96 : 154,587.98 = 31,965.06 : x
  2. Step 2: Convert to fraction form
    103,043.96/154,587.98 = 31,965.06/x
  3. Step 3: Cross multiply
    103,043.96x = 154,587.98 × 31,965.06
  4. Step 4: Simplify right side
    103,043.96x = 4,941,413,366.31
  5. Step 5: Solve for x
    x = 4,941,413,366.31/103,043.96
  6. Step 6: Final answer
    x = 47,954.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.