Home / 90,240.64-124,533.18-49,958.12

Finding the Fourth Proportional to 90,240.64, 124,533.18 and 49,958.12

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Solution

The fourth proportional to 90,240.64, 124,533.18 and 49,958.12 is: 68,942.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,240.64 : 124,533.18 = 49,958.12 : x
  2. Step 2: Convert to fraction form
    90,240.64/124,533.18 = 49,958.12/x
  3. Step 3: Cross multiply
    90,240.64x = 124,533.18 × 49,958.12
  4. Step 4: Simplify right side
    90,240.64x = 6,221,443,861.75
  5. Step 5: Solve for x
    x = 6,221,443,861.75/90,240.64
  6. Step 6: Final answer
    x = 68,942.82

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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.