Home / 64,354.26-88,335.32-57,122.58

Finding the Fourth Proportional to 64,354.26, 88,335.32 and 57,122.58

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Solution

The fourth proportional to 64,354.26, 88,335.32 and 57,122.58 is: 78,408.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,354.26 : 88,335.32 = 57,122.58 : x
  2. Step 2: Convert to fraction form
    64,354.26/88,335.32 = 57,122.58/x
  3. Step 3: Cross multiply
    64,354.26x = 88,335.32 × 57,122.58
  4. Step 4: Simplify right side
    64,354.26x = 5,045,941,097.91
  5. Step 5: Solve for x
    x = 5,045,941,097.91/64,354.26
  6. Step 6: Final answer
    x = 78,408.81

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.