Home / 65,901.58-90,966.36-40,060.04

Finding the Fourth Proportional to 65,901.58, 90,966.36 and 40,060.04

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Solution

The fourth proportional to 65,901.58, 90,966.36 and 40,060.04 is: 55,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,901.58 : 90,966.36 = 40,060.04 : x
  2. Step 2: Convert to fraction form
    65,901.58/90,966.36 = 40,060.04/x
  3. Step 3: Cross multiply
    65,901.58x = 90,966.36 × 40,060.04
  4. Step 4: Simplify right side
    65,901.58x = 3,644,116,020.25
  5. Step 5: Solve for x
    x = 3,644,116,020.25/65,901.58
  6. Step 6: Final answer
    x = 55,296.34

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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.