Home / 124,997.19-172,512.63-70,560.33

Finding the Fourth Proportional to 124,997.19, 172,512.63 and 70,560.33

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Solution

The fourth proportional to 124,997.19, 172,512.63 and 70,560.33 is: 97,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,997.19 : 172,512.63 = 70,560.33 : x
  2. Step 2: Convert to fraction form
    124,997.19/172,512.63 = 70,560.33/x
  3. Step 3: Cross multiply
    124,997.19x = 172,512.63 × 70,560.33
  4. Step 4: Simplify right side
    124,997.19x = 12,172,548,101.97
  5. Step 5: Solve for x
    x = 12,172,548,101.97/124,997.19
  6. Step 6: Final answer
    x = 97,382.57

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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.