Home / 49,767.85-68,678.44-28,545.76

Finding the Fourth Proportional to 49,767.85, 68,678.44 and 28,545.76

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Solution

The fourth proportional to 49,767.85, 68,678.44 and 28,545.76 is: 39,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,767.85 : 68,678.44 = 28,545.76 : x
  2. Step 2: Convert to fraction form
    49,767.85/68,678.44 = 28,545.76/x
  3. Step 3: Cross multiply
    49,767.85x = 68,678.44 × 28,545.76
  4. Step 4: Simplify right side
    49,767.85x = 1,960,478,265.41
  5. Step 5: Solve for x
    x = 1,960,478,265.41/49,767.85
  6. Step 6: Final answer
    x = 39,392.46

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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.