Home / 63,231.93-94,855.19-21,117.60

Finding the Fourth Proportional to 63,231.93, 94,855.19 and 21,117.60

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Solution

The fourth proportional to 63,231.93, 94,855.19 and 21,117.60 is: 31,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,231.93 : 94,855.19 = 21,117.60 : x
  2. Step 2: Convert to fraction form
    63,231.93/94,855.19 = 21,117.60/x
  3. Step 3: Cross multiply
    63,231.93x = 94,855.19 × 21,117.60
  4. Step 4: Simplify right side
    63,231.93x = 2,003,113,854.76
  5. Step 5: Solve for x
    x = 2,003,113,854.76/63,231.93
  6. Step 6: Final answer
    x = 31,678.83

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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.