Home / 125,224.25-172,809.47-68,634.41

Finding the Fourth Proportional to 125,224.25, 172,809.47 and 68,634.41

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Solution

The fourth proportional to 125,224.25, 172,809.47 and 68,634.41 is: 94,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,224.25 : 172,809.47 = 68,634.41 : x
  2. Step 2: Convert to fraction form
    125,224.25/172,809.47 = 68,634.41/x
  3. Step 3: Cross multiply
    125,224.25x = 172,809.47 × 68,634.41
  4. Step 4: Simplify right side
    125,224.25x = 11,860,675,672.69
  5. Step 5: Solve for x
    x = 11,860,675,672.69/125,224.25
  6. Step 6: Final answer
    x = 94,715.49

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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.