Home / 61,887.24-85,307.58-51,797.88

Finding the Fourth Proportional to 61,887.24, 85,307.58 and 51,797.88

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Solution

The fourth proportional to 61,887.24, 85,307.58 and 51,797.88 is: 71,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,887.24 : 85,307.58 = 51,797.88 : x
  2. Step 2: Convert to fraction form
    61,887.24/85,307.58 = 51,797.88/x
  3. Step 3: Cross multiply
    61,887.24x = 85,307.58 × 51,797.88
  4. Step 4: Simplify right side
    61,887.24x = 4,418,751,791.93
  5. Step 5: Solve for x
    x = 4,418,751,791.93/61,887.24
  6. Step 6: Final answer
    x = 71,400.05

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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.