Home / 56,832.24-78,429.05-31,339.52

Finding the Fourth Proportional to 56,832.24, 78,429.05 and 31,339.52

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Solution

The fourth proportional to 56,832.24, 78,429.05 and 31,339.52 is: 43,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,832.24 : 78,429.05 = 31,339.52 : x
  2. Step 2: Convert to fraction form
    56,832.24/78,429.05 = 31,339.52/x
  3. Step 3: Cross multiply
    56,832.24x = 78,429.05 × 31,339.52
  4. Step 4: Simplify right side
    56,832.24x = 2,457,928,781.06
  5. Step 5: Solve for x
    x = 2,457,928,781.06/56,832.24
  6. Step 6: Final answer
    x = 43,248.85

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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.