Home / 87,263.13-130,887.40-34,658.49

Finding the Fourth Proportional to 87,263.13, 130,887.40 and 34,658.49

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Solution

The fourth proportional to 87,263.13, 130,887.40 and 34,658.49 is: 51,984.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,263.13 : 130,887.40 = 34,658.49 : x
  2. Step 2: Convert to fraction form
    87,263.13/130,887.40 = 34,658.49/x
  3. Step 3: Cross multiply
    87,263.13x = 130,887.40 × 34,658.49
  4. Step 4: Simplify right side
    87,263.13x = 4,536,359,644.03
  5. Step 5: Solve for x
    x = 4,536,359,644.03/87,263.13
  6. Step 6: Final answer
    x = 51,984.84

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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.