Home / 52,545.51-78,667.20-48,855.15

Finding the Fourth Proportional to 52,545.51, 78,667.20 and 48,855.15

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Solution

The fourth proportional to 52,545.51, 78,667.20 and 48,855.15 is: 73,142.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,545.51 : 78,667.20 = 48,855.15 : x
  2. Step 2: Convert to fraction form
    52,545.51/78,667.20 = 48,855.15/x
  3. Step 3: Cross multiply
    52,545.51x = 78,667.20 × 48,855.15
  4. Step 4: Simplify right side
    52,545.51x = 3,843,297,856.08
  5. Step 5: Solve for x
    x = 3,843,297,856.08/52,545.51
  6. Step 6: Final answer
    x = 73,142.27

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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.