Home / 87,316.45-130,975.48-34,739.35

Finding the Fourth Proportional to 87,316.45, 130,975.48 and 34,739.35

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Solution

The fourth proportional to 87,316.45, 130,975.48 and 34,739.35 is: 52,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,316.45 : 130,975.48 = 34,739.35 : x
  2. Step 2: Convert to fraction form
    87,316.45/130,975.48 = 34,739.35/x
  3. Step 3: Cross multiply
    87,316.45x = 130,975.48 × 34,739.35
  4. Step 4: Simplify right side
    87,316.45x = 4,550,002,299.41
  5. Step 5: Solve for x
    x = 4,550,002,299.41/87,316.45
  6. Step 6: Final answer
    x = 52,109.34

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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.