Home / 109,041.40-163,561.89-34,167.28

Finding the Fourth Proportional to 109,041.40, 163,561.89 and 34,167.28

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Solution

The fourth proportional to 109,041.40, 163,561.89 and 34,167.28 is: 51,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,041.40 : 163,561.89 = 34,167.28 : x
  2. Step 2: Convert to fraction form
    109,041.40/163,561.89 = 34,167.28/x
  3. Step 3: Cross multiply
    109,041.40x = 163,561.89 × 34,167.28
  4. Step 4: Simplify right side
    109,041.40x = 5,588,464,484.05
  5. Step 5: Solve for x
    x = 5,588,464,484.05/109,041.40
  6. Step 6: Final answer
    x = 51,250.85

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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.