Home / 108,871.12-163,325.81-49,712.77

Finding the Fourth Proportional to 108,871.12, 163,325.81 and 49,712.77

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Solution

The fourth proportional to 108,871.12, 163,325.81 and 49,712.77 is: 74,577.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871.12 : 163,325.81 = 49,712.77 : x
  2. Step 2: Convert to fraction form
    108,871.12/163,325.81 = 49,712.77/x
  3. Step 3: Cross multiply
    108,871.12x = 163,325.81 × 49,712.77
  4. Step 4: Simplify right side
    108,871.12x = 8,119,378,427.59
  5. Step 5: Solve for x
    x = 8,119,378,427.59/108,871.12
  6. Step 6: Final answer
    x = 74,577.89

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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.