Home / 107,491.08-148,331.30-59,742.78

Finding the Fourth Proportional to 107,491.08, 148,331.30 and 59,742.78

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Solution

The fourth proportional to 107,491.08, 148,331.30 and 59,742.78 is: 82,441.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,491.08 : 148,331.30 = 59,742.78 : x
  2. Step 2: Convert to fraction form
    107,491.08/148,331.30 = 59,742.78/x
  3. Step 3: Cross multiply
    107,491.08x = 148,331.30 × 59,742.78
  4. Step 4: Simplify right side
    107,491.08x = 8,861,724,223.01
  5. Step 5: Solve for x
    x = 8,861,724,223.01/107,491.08
  6. Step 6: Final answer
    x = 82,441.48

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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.