Home / 63,211.71-87,231.40-34,531.02

Finding the Fourth Proportional to 63,211.71, 87,231.40 and 34,531.02

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Solution

The fourth proportional to 63,211.71, 87,231.40 and 34,531.02 is: 47,652.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,211.71 : 87,231.40 = 34,531.02 : x
  2. Step 2: Convert to fraction form
    63,211.71/87,231.40 = 34,531.02/x
  3. Step 3: Cross multiply
    63,211.71x = 87,231.40 × 34,531.02
  4. Step 4: Simplify right side
    63,211.71x = 3,012,189,218.03
  5. Step 5: Solve for x
    x = 3,012,189,218.03/63,211.71
  6. Step 6: Final answer
    x = 47,652.39

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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.