Home / 66,498.22-91,801.38-51,356.89

Finding the Fourth Proportional to 66,498.22, 91,801.38 and 51,356.89

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Solution

The fourth proportional to 66,498.22, 91,801.38 and 51,356.89 is: 70,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,498.22 : 91,801.38 = 51,356.89 : x
  2. Step 2: Convert to fraction form
    66,498.22/91,801.38 = 51,356.89/x
  3. Step 3: Cross multiply
    66,498.22x = 91,801.38 × 51,356.89
  4. Step 4: Simplify right side
    66,498.22x = 4,714,633,165.47
  5. Step 5: Solve for x
    x = 4,714,633,165.47/66,498.22
  6. Step 6: Final answer
    x = 70,898.64

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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.