Home / 120,977.08-166,944.72-67,263.28

Finding the Fourth Proportional to 120,977.08, 166,944.72 and 67,263.28

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Solution

The fourth proportional to 120,977.08, 166,944.72 and 67,263.28 is: 92,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,977.08 : 166,944.72 = 67,263.28 : x
  2. Step 2: Convert to fraction form
    120,977.08/166,944.72 = 67,263.28/x
  3. Step 3: Cross multiply
    120,977.08x = 166,944.72 × 67,263.28
  4. Step 4: Simplify right side
    120,977.08x = 11,229,249,445.88
  5. Step 5: Solve for x
    x = 11,229,249,445.88/120,977.08
  6. Step 6: Final answer
    x = 92,821.30

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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.