Home / 68,437.26-94,442.40-38,223.09

Finding the Fourth Proportional to 68,437.26, 94,442.40 and 38,223.09

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Solution

The fourth proportional to 68,437.26, 94,442.40 and 38,223.09 is: 52,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,437.26 : 94,442.40 = 38,223.09 : x
  2. Step 2: Convert to fraction form
    68,437.26/94,442.40 = 38,223.09/x
  3. Step 3: Cross multiply
    68,437.26x = 94,442.40 × 38,223.09
  4. Step 4: Simplify right side
    68,437.26x = 3,609,880,355.02
  5. Step 5: Solve for x
    x = 3,609,880,355.02/68,437.26
  6. Step 6: Final answer
    x = 52,747.30

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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.