Home / 61,992.12-92,988.24-51,003.72

Finding the Fourth Proportional to 61,992.12, 92,988.24 and 51,003.72

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Solution

The fourth proportional to 61,992.12, 92,988.24 and 51,003.72 is: 76,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,992.12 : 92,988.24 = 51,003.72 : x
  2. Step 2: Convert to fraction form
    61,992.12/92,988.24 = 51,003.72/x
  3. Step 3: Cross multiply
    61,992.12x = 92,988.24 × 51,003.72
  4. Step 4: Simplify right side
    61,992.12x = 4,742,746,156.25
  5. Step 5: Solve for x
    x = 4,742,746,156.25/61,992.12
  6. Step 6: Final answer
    x = 76,505.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.