Home / 104,022.86-143,551.17-56,276.21

Finding the Fourth Proportional to 104,022.86, 143,551.17 and 56,276.21

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Solution

The fourth proportional to 104,022.86, 143,551.17 and 56,276.21 is: 77,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,022.86 : 143,551.17 = 56,276.21 : x
  2. Step 2: Convert to fraction form
    104,022.86/143,551.17 = 56,276.21/x
  3. Step 3: Cross multiply
    104,022.86x = 143,551.17 × 56,276.21
  4. Step 4: Simplify right side
    104,022.86x = 8,078,516,147.54
  5. Step 5: Solve for x
    x = 8,078,516,147.54/104,022.86
  6. Step 6: Final answer
    x = 77,660.97

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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.