Home / 108,925.11-163,151.07-52,647.21

Finding the Fourth Proportional to 108,925.11, 163,151.07 and 52,647.21

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Solution

The fourth proportional to 108,925.11, 163,151.07 and 52,647.21 is: 78,856.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,925.11 : 163,151.07 = 52,647.21 : x
  2. Step 2: Convert to fraction form
    108,925.11/163,151.07 = 52,647.21/x
  3. Step 3: Cross multiply
    108,925.11x = 163,151.07 × 52,647.21
  4. Step 4: Simplify right side
    108,925.11x = 8,589,448,644.01
  5. Step 5: Solve for x
    x = 8,589,448,644.01/108,925.11
  6. Step 6: Final answer
    x = 78,856.46

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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.