Home / 87,968.61-121,396.95-47,682.54

Finding the Fourth Proportional to 87,968.61, 121,396.95 and 47,682.54

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Solution

The fourth proportional to 87,968.61, 121,396.95 and 47,682.54 is: 65,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,968.61 : 121,396.95 = 47,682.54 : x
  2. Step 2: Convert to fraction form
    87,968.61/121,396.95 = 47,682.54/x
  3. Step 3: Cross multiply
    87,968.61x = 121,396.95 × 47,682.54
  4. Step 4: Simplify right side
    87,968.61x = 5,788,514,244.48
  5. Step 5: Solve for x
    x = 5,788,514,244.48/87,968.61
  6. Step 6: Final answer
    x = 65,802.04

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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.