Home / 87,588.26-120,871.77-47,302.02

Finding the Fourth Proportional to 87,588.26, 120,871.77 and 47,302.02

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Solution

The fourth proportional to 87,588.26, 120,871.77 and 47,302.02 is: 65,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,588.26 : 120,871.77 = 47,302.02 : x
  2. Step 2: Convert to fraction form
    87,588.26/120,871.77 = 47,302.02/x
  3. Step 3: Cross multiply
    87,588.26x = 120,871.77 × 47,302.02
  4. Step 4: Simplify right side
    87,588.26x = 5,717,478,881.98
  5. Step 5: Solve for x
    x = 5,717,478,881.98/87,588.26
  6. Step 6: Final answer
    x = 65,276.77

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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.