Home / 87,636.94-131,360.64-34,988.56

Finding the Fourth Proportional to 87,636.94, 131,360.64 and 34,988.56

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Solution

The fourth proportional to 87,636.94, 131,360.64 and 34,988.56 is: 52,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,636.94 : 131,360.64 = 34,988.56 : x
  2. Step 2: Convert to fraction form
    87,636.94/131,360.64 = 34,988.56/x
  3. Step 3: Cross multiply
    87,636.94x = 131,360.64 × 34,988.56
  4. Step 4: Simplify right side
    87,636.94x = 4,596,119,634.28
  5. Step 5: Solve for x
    x = 4,596,119,634.28/87,636.94
  6. Step 6: Final answer
    x = 52,445.00

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1.5x scale

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.