Home / 65,784.25-90,782.16-35,569.48

Finding the Fourth Proportional to 65,784.25, 90,782.16 and 35,569.48

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Solution

The fourth proportional to 65,784.25, 90,782.16 and 35,569.48 is: 49,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,784.25 : 90,782.16 = 35,569.48 : x
  2. Step 2: Convert to fraction form
    65,784.25/90,782.16 = 35,569.48/x
  3. Step 3: Cross multiply
    65,784.25x = 90,782.16 × 35,569.48
  4. Step 4: Simplify right side
    65,784.25x = 3,229,074,224.48
  5. Step 5: Solve for x
    x = 3,229,074,224.48/65,784.25
  6. Step 6: Final answer
    x = 49,085.83

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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.