Home / 124,003.21-171,137.79-70,282.45

Finding the Fourth Proportional to 124,003.21, 171,137.79 and 70,282.45

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Solution

The fourth proportional to 124,003.21, 171,137.79 and 70,282.45 is: 96,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,003.21 : 171,137.79 = 70,282.45 : x
  2. Step 2: Convert to fraction form
    124,003.21/171,137.79 = 70,282.45/x
  3. Step 3: Cross multiply
    124,003.21x = 171,137.79 × 70,282.45
  4. Step 4: Simplify right side
    124,003.21x = 12,027,983,168.79
  5. Step 5: Solve for x
    x = 12,027,983,168.79/124,003.21
  6. Step 6: Final answer
    x = 96,997.35

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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.