Home / 103,670.97-143,073.18-58,353.30

Finding the Fourth Proportional to 103,670.97, 143,073.18 and 58,353.30

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Solution

The fourth proportional to 103,670.97, 143,073.18 and 58,353.30 is: 80,531.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,670.97 : 143,073.18 = 58,353.30 : x
  2. Step 2: Convert to fraction form
    103,670.97/143,073.18 = 58,353.30/x
  3. Step 3: Cross multiply
    103,670.97x = 143,073.18 × 58,353.30
  4. Step 4: Simplify right side
    103,670.97x = 8,348,792,194.49
  5. Step 5: Solve for x
    x = 8,348,792,194.49/103,670.97
  6. Step 6: Final answer
    x = 80,531.63

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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.