Home / 106,513.66-159,723.98-56,581.74

Finding the Fourth Proportional to 106,513.66, 159,723.98 and 56,581.74

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Solution

The fourth proportional to 106,513.66, 159,723.98 and 56,581.74 is: 84,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,513.66 : 159,723.98 = 56,581.74 : x
  2. Step 2: Convert to fraction form
    106,513.66/159,723.98 = 56,581.74/x
  3. Step 3: Cross multiply
    106,513.66x = 159,723.98 × 56,581.74
  4. Step 4: Simplify right side
    106,513.66x = 9,037,460,708.13
  5. Step 5: Solve for x
    x = 9,037,460,708.13/106,513.66
  6. Step 6: Final answer
    x = 84,847.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.