Home / 45,545.72-68,318.98-15,963.50

Finding the Fourth Proportional to 45,545.72, 68,318.98 and 15,963.50

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Solution

The fourth proportional to 45,545.72, 68,318.98 and 15,963.50 is: 23,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,545.72 : 68,318.98 = 15,963.50 : x
  2. Step 2: Convert to fraction form
    45,545.72/68,318.98 = 15,963.50/x
  3. Step 3: Cross multiply
    45,545.72x = 68,318.98 × 15,963.50
  4. Step 4: Simplify right side
    45,545.72x = 1,090,610,168.12
  5. Step 5: Solve for x
    x = 1,090,610,168.12/45,545.72
  6. Step 6: Final answer
    x = 23,945.40

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Similar ratio
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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.