Home / 120,721.02-166,577.28-67,006.46

Finding the Fourth Proportional to 120,721.02, 166,577.28 and 67,006.46

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Solution

The fourth proportional to 120,721.02, 166,577.28 and 67,006.46 is: 92,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,721.02 : 166,577.28 = 67,006.46 : x
  2. Step 2: Convert to fraction form
    120,721.02/166,577.28 = 67,006.46/x
  3. Step 3: Cross multiply
    120,721.02x = 166,577.28 × 67,006.46
  4. Step 4: Simplify right side
    120,721.02x = 11,161,753,849.23
  5. Step 5: Solve for x
    x = 11,161,753,849.23/120,721.02
  6. Step 6: Final answer
    x = 92,459.08

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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.