Home / 88,849.88-122,612.94-51,131.48

Finding the Fourth Proportional to 88,849.88, 122,612.94 and 51,131.48

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Solution

The fourth proportional to 88,849.88, 122,612.94 and 51,131.48 is: 70,561.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,849.88 : 122,612.94 = 51,131.48 : x
  2. Step 2: Convert to fraction form
    88,849.88/122,612.94 = 51,131.48/x
  3. Step 3: Cross multiply
    88,849.88x = 122,612.94 × 51,131.48
  4. Step 4: Simplify right side
    88,849.88x = 6,269,381,089.35
  5. Step 5: Solve for x
    x = 6,269,381,089.35/88,849.88
  6. Step 6: Final answer
    x = 70,561.50

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1.5x scale

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.