Home / 99,383.73-137,153.20-56,950.46

Finding the Fourth Proportional to 99,383.73, 137,153.20 and 56,950.46

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Solution

The fourth proportional to 99,383.73, 137,153.20 and 56,950.46 is: 78,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,383.73 : 137,153.20 = 56,950.46 : x
  2. Step 2: Convert to fraction form
    99,383.73/137,153.20 = 56,950.46/x
  3. Step 3: Cross multiply
    99,383.73x = 137,153.20 × 56,950.46
  4. Step 4: Simplify right side
    99,383.73x = 7,810,937,623.44
  5. Step 5: Solve for x
    x = 7,810,937,623.44/99,383.73
  6. Step 6: Final answer
    x = 78,593.73

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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.