Home / 45,712.86-63,069.75-29,791.50

Finding the Fourth Proportional to 45,712.86, 63,069.75 and 29,791.50

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Solution

The fourth proportional to 45,712.86, 63,069.75 and 29,791.50 is: 41,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,712.86 : 63,069.75 = 29,791.50 : x
  2. Step 2: Convert to fraction form
    45,712.86/63,069.75 = 29,791.50/x
  3. Step 3: Cross multiply
    45,712.86x = 63,069.75 × 29,791.50
  4. Step 4: Simplify right side
    45,712.86x = 1,878,942,457.13
  5. Step 5: Solve for x
    x = 1,878,942,457.13/45,712.86
  6. Step 6: Final answer
    x = 41,103.15

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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.