Home / 87,317.70-130,977.36-34,740.60

Finding the Fourth Proportional to 87,317.70, 130,977.36 and 34,740.60

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Solution

The fourth proportional to 87,317.70, 130,977.36 and 34,740.60 is: 52,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,317.70 : 130,977.36 = 34,740.60 : x
  2. Step 2: Convert to fraction form
    87,317.70/130,977.36 = 34,740.60/x
  3. Step 3: Cross multiply
    87,317.70x = 130,977.36 × 34,740.60
  4. Step 4: Simplify right side
    87,317.70x = 4,550,232,072.82
  5. Step 5: Solve for x
    x = 4,550,232,072.82/87,317.70
  6. Step 6: Final answer
    x = 52,111.22

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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.