Home / 123,932.59-171,026.40-70,217.49

Finding the Fourth Proportional to 123,932.59, 171,026.40 and 70,217.49

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Solution

The fourth proportional to 123,932.59, 171,026.40 and 70,217.49 is: 96,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,932.59 : 171,026.40 = 70,217.49 : x
  2. Step 2: Convert to fraction form
    123,932.59/171,026.40 = 70,217.49/x
  3. Step 3: Cross multiply
    123,932.59x = 171,026.40 × 70,217.49
  4. Step 4: Simplify right side
    123,932.59x = 12,009,044,531.74
  5. Step 5: Solve for x
    x = 12,009,044,531.74/123,932.59
  6. Step 6: Final answer
    x = 96,899.81

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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.