Home / 91,624.42-126,440.10-51,338.06

Finding the Fourth Proportional to 91,624.42, 126,440.10 and 51,338.06

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Solution

The fourth proportional to 91,624.42, 126,440.10 and 51,338.06 is: 70,845.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,624.42 : 126,440.10 = 51,338.06 : x
  2. Step 2: Convert to fraction form
    91,624.42/126,440.10 = 51,338.06/x
  3. Step 3: Cross multiply
    91,624.42x = 126,440.10 × 51,338.06
  4. Step 4: Simplify right side
    91,624.42x = 6,491,188,808.01
  5. Step 5: Solve for x
    x = 6,491,188,808.01/91,624.42
  6. Step 6: Final answer
    x = 70,845.62

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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.