Home / 105,447.04-158,135.72-30,569.63

Finding the Fourth Proportional to 105,447.04, 158,135.72 and 30,569.63

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Solution

The fourth proportional to 105,447.04, 158,135.72 and 30,569.63 is: 45,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,447.04 : 158,135.72 = 30,569.63 : x
  2. Step 2: Convert to fraction form
    105,447.04/158,135.72 = 30,569.63/x
  3. Step 3: Cross multiply
    105,447.04x = 158,135.72 × 30,569.63
  4. Step 4: Simplify right side
    105,447.04x = 4,834,149,506.66
  5. Step 5: Solve for x
    x = 4,834,149,506.66/105,447.04
  6. Step 6: Final answer
    x = 45,844.34

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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.