Home / 45,436.58-68,154.24-11,702.40

Finding the Fourth Proportional to 45,436.58, 68,154.24 and 11,702.40

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Solution

The fourth proportional to 45,436.58, 68,154.24 and 11,702.40 is: 17,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,436.58 : 68,154.24 = 11,702.40 : x
  2. Step 2: Convert to fraction form
    45,436.58/68,154.24 = 11,702.40/x
  3. Step 3: Cross multiply
    45,436.58x = 68,154.24 × 11,702.40
  4. Step 4: Simplify right side
    45,436.58x = 797,568,178.18
  5. Step 5: Solve for x
    x = 797,568,178.18/45,436.58
  6. Step 6: Final answer
    x = 17,553.44

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1.5x scale

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.