Home / 87,903.04-131,876.16-25,574.08

Finding the Fourth Proportional to 87,903.04, 131,876.16 and 25,574.08

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Solution

The fourth proportional to 87,903.04, 131,876.16 and 25,574.08 is: 38,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,903.04 : 131,876.16 = 25,574.08 : x
  2. Step 2: Convert to fraction form
    87,903.04/131,876.16 = 25,574.08/x
  3. Step 3: Cross multiply
    87,903.04x = 131,876.16 × 25,574.08
  4. Step 4: Simplify right side
    87,903.04x = 3,372,611,465.93
  5. Step 5: Solve for x
    x = 3,372,611,465.93/87,903.04
  6. Step 6: Final answer
    x = 38,367.40

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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.