Home / 125,164.50-172,727.01-68,577.18

Finding the Fourth Proportional to 125,164.50, 172,727.01 and 68,577.18

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Solution

The fourth proportional to 125,164.50, 172,727.01 and 68,577.18 is: 94,636.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,164.50 : 172,727.01 = 68,577.18 : x
  2. Step 2: Convert to fraction form
    125,164.50/172,727.01 = 68,577.18/x
  3. Step 3: Cross multiply
    125,164.50x = 172,727.01 × 68,577.18
  4. Step 4: Simplify right side
    125,164.50x = 11,845,131,255.63
  5. Step 5: Solve for x
    x = 11,845,131,255.63/125,164.50
  6. Step 6: Final answer
    x = 94,636.51

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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.