Home / 109,066.91-163,687.85-56,491.43

Finding the Fourth Proportional to 109,066.91, 163,687.85 and 56,491.43

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Solution

The fourth proportional to 109,066.91, 163,687.85 and 56,491.43 is: 84,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,066.91 : 163,687.85 = 56,491.43 : x
  2. Step 2: Convert to fraction form
    109,066.91/163,687.85 = 56,491.43/x
  3. Step 3: Cross multiply
    109,066.91x = 163,687.85 × 56,491.43
  4. Step 4: Simplify right side
    109,066.91x = 9,246,960,720.13
  5. Step 5: Solve for x
    x = 9,246,960,720.13/109,066.91
  6. Step 6: Final answer
    x = 84,782.46

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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.