Home / 60,900.18-91,349.27-18,205.71

Finding the Fourth Proportional to 60,900.18, 91,349.27 and 18,205.71

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Solution

The fourth proportional to 60,900.18, 91,349.27 and 18,205.71 is: 27,308.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,900.18 : 91,349.27 = 18,205.71 : x
  2. Step 2: Convert to fraction form
    60,900.18/91,349.27 = 18,205.71/x
  3. Step 3: Cross multiply
    60,900.18x = 91,349.27 × 18,205.71
  4. Step 4: Simplify right side
    60,900.18x = 1,663,078,466.85
  5. Step 5: Solve for x
    x = 1,663,078,466.85/60,900.18
  6. Step 6: Final answer
    x = 27,308.27

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.