Home / 87,582.53-120,857.01-49,340

Finding the Fourth Proportional to 87,582.53, 120,857.01 and 49,340

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Solution

The fourth proportional to 87,582.53, 120,857.01 and 49,340 is: 68,085.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,582.53 : 120,857.01 = 49,340 : x
  2. Step 2: Convert to fraction form
    87,582.53/120,857.01 = 49,340/x
  3. Step 3: Cross multiply
    87,582.53x = 120,857.01 × 49,340
  4. Step 4: Simplify right side
    87,582.53x = 5,963,084,873.40
  5. Step 5: Solve for x
    x = 5,963,084,873.40/87,582.53
  6. Step 6: Final answer
    x = 68,085.32

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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.