Home / 99,383.46-137,152.78-56,950.19

Finding the Fourth Proportional to 99,383.46, 137,152.78 and 56,950.19

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Solution

The fourth proportional to 99,383.46, 137,152.78 and 56,950.19 is: 78,593.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,383.46 : 137,152.78 = 56,950.19 : x
  2. Step 2: Convert to fraction form
    99,383.46/137,152.78 = 56,950.19/x
  3. Step 3: Cross multiply
    99,383.46x = 137,152.78 × 56,950.19
  4. Step 4: Simplify right side
    99,383.46x = 7,810,876,566.21
  5. Step 5: Solve for x
    x = 7,810,876,566.21/99,383.46
  6. Step 6: Final answer
    x = 78,593.33

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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.