Home / 112,743.27-155,589.80-62,442.27

Finding the Fourth Proportional to 112,743.27, 155,589.80 and 62,442.27

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Solution

The fourth proportional to 112,743.27, 155,589.80 and 62,442.27 is: 86,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,743.27 : 155,589.80 = 62,442.27 : x
  2. Step 2: Convert to fraction form
    112,743.27/155,589.80 = 62,442.27/x
  3. Step 3: Cross multiply
    112,743.27x = 155,589.80 × 62,442.27
  4. Step 4: Simplify right side
    112,743.27x = 9,715,379,988.63
  5. Step 5: Solve for x
    x = 9,715,379,988.63/112,743.27
  6. Step 6: Final answer
    x = 86,172.59

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1.5x scale

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.