Home / 65,927.74-90,979.74-35,712.36

Finding the Fourth Proportional to 65,927.74, 90,979.74 and 35,712.36

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Solution

The fourth proportional to 65,927.74, 90,979.74 and 35,712.36 is: 49,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,927.74 : 90,979.74 = 35,712.36 : x
  2. Step 2: Convert to fraction form
    65,927.74/90,979.74 = 35,712.36/x
  3. Step 3: Cross multiply
    65,927.74x = 90,979.74 × 35,712.36
  4. Step 4: Simplify right side
    65,927.74x = 3,249,101,227.59
  5. Step 5: Solve for x
    x = 3,249,101,227.59/65,927.74
  6. Step 6: Final answer
    x = 49,282.76

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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.