Home / 99,706.47-137,596.55-54,384.44

Finding the Fourth Proportional to 99,706.47, 137,596.55 and 54,384.44

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Solution

The fourth proportional to 99,706.47, 137,596.55 and 54,384.44 is: 75,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,706.47 : 137,596.55 = 54,384.44 : x
  2. Step 2: Convert to fraction form
    99,706.47/137,596.55 = 54,384.44/x
  3. Step 3: Cross multiply
    99,706.47x = 137,596.55 × 54,384.44
  4. Step 4: Simplify right side
    99,706.47x = 7,483,110,357.78
  5. Step 5: Solve for x
    x = 7,483,110,357.78/99,706.47
  6. Step 6: Final answer
    x = 75,051.41

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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.