Home / 108,895.88-163,349.97-38,775.20

Finding the Fourth Proportional to 108,895.88, 163,349.97 and 38,775.20

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Solution

The fourth proportional to 108,895.88, 163,349.97 and 38,775.20 is: 58,164.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,895.88 : 163,349.97 = 38,775.20 : x
  2. Step 2: Convert to fraction form
    108,895.88/163,349.97 = 38,775.20/x
  3. Step 3: Cross multiply
    108,895.88x = 163,349.97 × 38,775.20
  4. Step 4: Simplify right side
    108,895.88x = 6,333,926,939.99
  5. Step 5: Solve for x
    x = 6,333,926,939.99/108,895.88
  6. Step 6: Final answer
    x = 58,164.99

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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.