Home / 112,932.02-169,401.45-28,692.20

Finding the Fourth Proportional to 112,932.02, 169,401.45 and 28,692.20

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Solution

The fourth proportional to 112,932.02, 169,401.45 and 28,692.20 is: 43,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,932.02 : 169,401.45 = 28,692.20 : x
  2. Step 2: Convert to fraction form
    112,932.02/169,401.45 = 28,692.20/x
  3. Step 3: Cross multiply
    112,932.02x = 169,401.45 × 28,692.20
  4. Step 4: Simplify right side
    112,932.02x = 4,860,500,283.69
  5. Step 5: Solve for x
    x = 4,860,500,283.69/112,932.02
  6. Step 6: Final answer
    x = 43,039.17

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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.