Home / 125,043.84-172,560.51-68,455.22

Finding the Fourth Proportional to 125,043.84, 172,560.51 and 68,455.22

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Solution

The fourth proportional to 125,043.84, 172,560.51 and 68,455.22 is: 94,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,043.84 : 172,560.51 = 68,455.22 : x
  2. Step 2: Convert to fraction form
    125,043.84/172,560.51 = 68,455.22/x
  3. Step 3: Cross multiply
    125,043.84x = 172,560.51 × 68,455.22
  4. Step 4: Simplify right side
    125,043.84x = 11,812,667,716.37
  5. Step 5: Solve for x
    x = 11,812,667,716.37/125,043.84
  6. Step 6: Final answer
    x = 94,468.21

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1.5x scale

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.