Home / 92,778.93-128,034.41-50,336.55

Finding the Fourth Proportional to 92,778.93, 128,034.41 and 50,336.55

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Solution

The fourth proportional to 92,778.93, 128,034.41 and 50,336.55 is: 69,464.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,778.93 : 128,034.41 = 50,336.55 : x
  2. Step 2: Convert to fraction form
    92,778.93/128,034.41 = 50,336.55/x
  3. Step 3: Cross multiply
    92,778.93x = 128,034.41 × 50,336.55
  4. Step 4: Simplify right side
    92,778.93x = 6,444,810,229.00
  5. Step 5: Solve for x
    x = 6,444,810,229.00/92,778.93
  6. Step 6: Final answer
    x = 69,464.16

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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.