Home / 90,833.86-125,352.39-50,549.32

Finding the Fourth Proportional to 90,833.86, 125,352.39 and 50,549.32

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Solution

The fourth proportional to 90,833.86, 125,352.39 and 50,549.32 is: 69,758.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,833.86 : 125,352.39 = 50,549.32 : x
  2. Step 2: Convert to fraction form
    90,833.86/125,352.39 = 50,549.32/x
  3. Step 3: Cross multiply
    90,833.86x = 125,352.39 × 50,549.32
  4. Step 4: Simplify right side
    90,833.86x = 6,336,478,074.87
  5. Step 5: Solve for x
    x = 6,336,478,074.87/90,833.86
  6. Step 6: Final answer
    x = 69,758.99

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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.