Home / 104,399.11-144,071.16-56,652.47

Finding the Fourth Proportional to 104,399.11, 144,071.16 and 56,652.47

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Solution

The fourth proportional to 104,399.11, 144,071.16 and 56,652.47 is: 78,180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,399.11 : 144,071.16 = 56,652.47 : x
  2. Step 2: Convert to fraction form
    104,399.11/144,071.16 = 56,652.47/x
  3. Step 3: Cross multiply
    104,399.11x = 144,071.16 × 56,652.47
  4. Step 4: Simplify right side
    104,399.11x = 8,161,986,349.41
  5. Step 5: Solve for x
    x = 8,161,986,349.41/104,399.11
  6. Step 6: Final answer
    x = 78,180.61

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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.