Home / 77,466.86-106,939.68-59,555.60

Finding the Fourth Proportional to 77,466.86, 106,939.68 and 59,555.60

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Solution

The fourth proportional to 77,466.86, 106,939.68 and 59,555.60 is: 82,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,466.86 : 106,939.68 = 59,555.60 : x
  2. Step 2: Convert to fraction form
    77,466.86/106,939.68 = 59,555.60/x
  3. Step 3: Cross multiply
    77,466.86x = 106,939.68 × 59,555.60
  4. Step 4: Simplify right side
    77,466.86x = 6,368,856,806.21
  5. Step 5: Solve for x
    x = 6,368,856,806.21/77,466.86
  6. Step 6: Final answer
    x = 82,213.95

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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.