Home / 65,922.74-90,972.84-35,707.36

Finding the Fourth Proportional to 65,922.74, 90,972.84 and 35,707.36

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Solution

The fourth proportional to 65,922.74, 90,972.84 and 35,707.36 is: 49,275.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,922.74 : 90,972.84 = 35,707.36 : x
  2. Step 2: Convert to fraction form
    65,922.74/90,972.84 = 35,707.36/x
  3. Step 3: Cross multiply
    65,922.74x = 90,972.84 × 35,707.36
  4. Step 4: Simplify right side
    65,922.74x = 3,248,399,948.10
  5. Step 5: Solve for x
    x = 3,248,399,948.10/65,922.74
  6. Step 6: Final answer
    x = 49,275.86

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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.