Home / 107,695.05-161,542.61-48,461.52

Finding the Fourth Proportional to 107,695.05, 161,542.61 and 48,461.52

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Solution

The fourth proportional to 107,695.05, 161,542.61 and 48,461.52 is: 72,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,695.05 : 161,542.61 = 48,461.52 : x
  2. Step 2: Convert to fraction form
    107,695.05/161,542.61 = 48,461.52/x
  3. Step 3: Cross multiply
    107,695.05x = 161,542.61 × 48,461.52
  4. Step 4: Simplify right side
    107,695.05x = 7,828,600,425.37
  5. Step 5: Solve for x
    x = 7,828,600,425.37/107,695.05
  6. Step 6: Final answer
    x = 72,692.30

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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.