Home / 51,670.08-77,440.08-27,976.68

Finding the Fourth Proportional to 51,670.08, 77,440.08 and 27,976.68

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Solution

The fourth proportional to 51,670.08, 77,440.08 and 27,976.68 is: 41,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,670.08 : 77,440.08 = 27,976.68 : x
  2. Step 2: Convert to fraction form
    51,670.08/77,440.08 = 27,976.68/x
  3. Step 3: Cross multiply
    51,670.08x = 77,440.08 × 27,976.68
  4. Step 4: Simplify right side
    51,670.08x = 2,166,516,337.33
  5. Step 5: Solve for x
    x = 2,166,516,337.33/51,670.08
  6. Step 6: Final answer
    x = 41,929.80

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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.