Home / 87,131.49-130,702.09-24,797.13

Finding the Fourth Proportional to 87,131.49, 130,702.09 and 24,797.13

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Solution

The fourth proportional to 87,131.49, 130,702.09 and 24,797.13 is: 37,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,131.49 : 130,702.09 = 24,797.13 : x
  2. Step 2: Convert to fraction form
    87,131.49/130,702.09 = 24,797.13/x
  3. Step 3: Cross multiply
    87,131.49x = 130,702.09 × 24,797.13
  4. Step 4: Simplify right side
    87,131.49x = 3,241,036,717.00
  5. Step 5: Solve for x
    x = 3,241,036,717.00/87,131.49
  6. Step 6: Final answer
    x = 37,197.08

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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.