Home / 90,946.94-125,501.20-50,658.62

Finding the Fourth Proportional to 90,946.94, 125,501.20 and 50,658.62

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Solution

The fourth proportional to 90,946.94, 125,501.20 and 50,658.62 is: 69,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,946.94 : 125,501.20 = 50,658.62 : x
  2. Step 2: Convert to fraction form
    90,946.94/125,501.20 = 50,658.62/x
  3. Step 3: Cross multiply
    90,946.94x = 125,501.20 × 50,658.62
  4. Step 4: Simplify right side
    90,946.94x = 6,357,716,846.19
  5. Step 5: Solve for x
    x = 6,357,716,846.19/90,946.94
  6. Step 6: Final answer
    x = 69,905.78

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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.