Home / 45,539.35-67,851.16-42,992.86

Finding the Fourth Proportional to 45,539.35, 67,851.16 and 42,992.86

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Solution

The fourth proportional to 45,539.35, 67,851.16 and 42,992.86 is: 64,057.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,539.35 : 67,851.16 = 42,992.86 : x
  2. Step 2: Convert to fraction form
    45,539.35/67,851.16 = 42,992.86/x
  3. Step 3: Cross multiply
    45,539.35x = 67,851.16 × 42,992.86
  4. Step 4: Simplify right side
    45,539.35x = 2,917,115,393.75
  5. Step 5: Solve for x
    x = 2,917,115,393.75/45,539.35
  6. Step 6: Final answer
    x = 64,057.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.