Home / 87,347.10-120,576.42-60,161.34

Finding the Fourth Proportional to 87,347.10, 120,576.42 and 60,161.34

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Solution

The fourth proportional to 87,347.10, 120,576.42 and 60,161.34 is: 83,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,347.10 : 120,576.42 = 60,161.34 : x
  2. Step 2: Convert to fraction form
    87,347.10/120,576.42 = 60,161.34/x
  3. Step 3: Cross multiply
    87,347.10x = 120,576.42 × 60,161.34
  4. Step 4: Simplify right side
    87,347.10x = 7,254,038,999.60
  5. Step 5: Solve for x
    x = 7,254,038,999.60/87,347.10
  6. Step 6: Final answer
    x = 83,048.42

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1.5x scale

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.