Home / 103,846.08-143,310.54-57,906.78

Finding the Fourth Proportional to 103,846.08, 143,310.54 and 57,906.78

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Solution

The fourth proportional to 103,846.08, 143,310.54 and 57,906.78 is: 79,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,846.08 : 143,310.54 = 57,906.78 : x
  2. Step 2: Convert to fraction form
    103,846.08/143,310.54 = 57,906.78/x
  3. Step 3: Cross multiply
    103,846.08x = 143,310.54 × 57,906.78
  4. Step 4: Simplify right side
    103,846.08x = 8,298,651,911.46
  5. Step 5: Solve for x
    x = 8,298,651,911.46/103,846.08
  6. Step 6: Final answer
    x = 79,913.00

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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.