Home / 51,518.72-77,215.78-26,545.13

Finding the Fourth Proportional to 51,518.72, 77,215.78 and 26,545.13

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Solution

The fourth proportional to 51,518.72, 77,215.78 and 26,545.13 is: 39,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,518.72 : 77,215.78 = 26,545.13 : x
  2. Step 2: Convert to fraction form
    51,518.72/77,215.78 = 26,545.13/x
  3. Step 3: Cross multiply
    51,518.72x = 77,215.78 × 26,545.13
  4. Step 4: Simplify right side
    51,518.72x = 2,049,703,289.15
  5. Step 5: Solve for x
    x = 2,049,703,289.15/51,518.72
  6. Step 6: Final answer
    x = 39,785.60

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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.