Home / 125,982.02-173,855.43-68,621.17

Finding the Fourth Proportional to 125,982.02, 173,855.43 and 68,621.17

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Solution

The fourth proportional to 125,982.02, 173,855.43 and 68,621.17 is: 94,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,982.02 : 173,855.43 = 68,621.17 : x
  2. Step 2: Convert to fraction form
    125,982.02/173,855.43 = 68,621.17/x
  3. Step 3: Cross multiply
    125,982.02x = 173,855.43 × 68,621.17
  4. Step 4: Simplify right side
    125,982.02x = 11,930,163,017.45
  5. Step 5: Solve for x
    x = 11,930,163,017.45/125,982.02
  6. Step 6: Final answer
    x = 94,697.35

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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.