Home / 87,762.27-131,643.31-35,208.66

Finding the Fourth Proportional to 87,762.27, 131,643.31 and 35,208.66

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Solution

The fourth proportional to 87,762.27, 131,643.31 and 35,208.66 is: 52,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,762.27 : 131,643.31 = 35,208.66 : x
  2. Step 2: Convert to fraction form
    87,762.27/131,643.31 = 35,208.66/x
  3. Step 3: Cross multiply
    87,762.27x = 131,643.31 × 35,208.66
  4. Step 4: Simplify right side
    87,762.27x = 4,634,984,543.06
  5. Step 5: Solve for x
    x = 4,634,984,543.06/87,762.27
  6. Step 6: Final answer
    x = 52,812.95

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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.