Home / 106,650.44-147,158.34-61,317.80

Finding the Fourth Proportional to 106,650.44, 147,158.34 and 61,317.80

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Solution

The fourth proportional to 106,650.44, 147,158.34 and 61,317.80 is: 84,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,650.44 : 147,158.34 = 61,317.80 : x
  2. Step 2: Convert to fraction form
    106,650.44/147,158.34 = 61,317.80/x
  3. Step 3: Cross multiply
    106,650.44x = 147,158.34 × 61,317.80
  4. Step 4: Simplify right side
    106,650.44x = 9,023,425,660.45
  5. Step 5: Solve for x
    x = 9,023,425,660.45/106,650.44
  6. Step 6: Final answer
    x = 84,607.49

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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.