Home / 65,855.64-98,779.98-18,474.02

Finding the Fourth Proportional to 65,855.64, 98,779.98 and 18,474.02

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Solution

The fourth proportional to 65,855.64, 98,779.98 and 18,474.02 is: 27,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,855.64 : 98,779.98 = 18,474.02 : x
  2. Step 2: Convert to fraction form
    65,855.64/98,779.98 = 18,474.02/x
  3. Step 3: Cross multiply
    65,855.64x = 98,779.98 × 18,474.02
  4. Step 4: Simplify right side
    65,855.64x = 1,824,863,326.12
  5. Step 5: Solve for x
    x = 1,824,863,326.12/65,855.64
  6. Step 6: Final answer
    x = 27,710.05

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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.