Home / 124,102.52-171,257.78-70,392.44

Finding the Fourth Proportional to 124,102.52, 171,257.78 and 70,392.44

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Solution

The fourth proportional to 124,102.52, 171,257.78 and 70,392.44 is: 97,139.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,102.52 : 171,257.78 = 70,392.44 : x
  2. Step 2: Convert to fraction form
    124,102.52/171,257.78 = 70,392.44/x
  3. Step 3: Cross multiply
    124,102.52x = 171,257.78 × 70,392.44
  4. Step 4: Simplify right side
    124,102.52x = 12,055,253,003.18
  5. Step 5: Solve for x
    x = 12,055,253,003.18/124,102.52
  6. Step 6: Final answer
    x = 97,139.47

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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.