Home / 87,368.20-120,567.48-49,642.45

Finding the Fourth Proportional to 87,368.20, 120,567.48 and 49,642.45

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Solution

The fourth proportional to 87,368.20, 120,567.48 and 49,642.45 is: 68,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,368.20 : 120,567.48 = 49,642.45 : x
  2. Step 2: Convert to fraction form
    87,368.20/120,567.48 = 49,642.45/x
  3. Step 3: Cross multiply
    87,368.20x = 120,567.48 × 49,642.45
  4. Step 4: Simplify right side
    87,368.20x = 5,985,264,494.69
  5. Step 5: Solve for x
    x = 5,985,264,494.69/87,368.20
  6. Step 6: Final answer
    x = 68,506.22

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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.