Home / 65,986.52-98,985.51-18,601.92

Finding the Fourth Proportional to 65,986.52, 98,985.51 and 18,601.92

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Solution

The fourth proportional to 65,986.52, 98,985.51 and 18,601.92 is: 27,904.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,986.52 : 98,985.51 = 18,601.92 : x
  2. Step 2: Convert to fraction form
    65,986.52/98,985.51 = 18,601.92/x
  3. Step 3: Cross multiply
    65,986.52x = 98,985.51 × 18,601.92
  4. Step 4: Simplify right side
    65,986.52x = 1,841,320,538.18
  5. Step 5: Solve for x
    x = 1,841,320,538.18/65,986.52
  6. Step 6: Final answer
    x = 27,904.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.