Home / 65,146.44-89,779.21-52,211.01

Finding the Fourth Proportional to 65,146.44, 89,779.21 and 52,211.01

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Solution

The fourth proportional to 65,146.44, 89,779.21 and 52,211.01 is: 71,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,146.44 : 89,779.21 = 52,211.01 : x
  2. Step 2: Convert to fraction form
    65,146.44/89,779.21 = 52,211.01/x
  3. Step 3: Cross multiply
    65,146.44x = 89,779.21 × 52,211.01
  4. Step 4: Simplify right side
    65,146.44x = 4,687,463,231.10
  5. Step 5: Solve for x
    x = 4,687,463,231.10/65,146.44
  6. Step 6: Final answer
    x = 71,952.72

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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.