Home / 63,216.07-87,201.23-39,350.43

Finding the Fourth Proportional to 63,216.07, 87,201.23 and 39,350.43

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Solution

The fourth proportional to 63,216.07, 87,201.23 and 39,350.43 is: 54,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,216.07 : 87,201.23 = 39,350.43 : x
  2. Step 2: Convert to fraction form
    63,216.07/87,201.23 = 39,350.43/x
  3. Step 3: Cross multiply
    63,216.07x = 87,201.23 × 39,350.43
  4. Step 4: Simplify right side
    63,216.07x = 3,431,406,277.55
  5. Step 5: Solve for x
    x = 3,431,406,277.55/63,216.07
  6. Step 6: Final answer
    x = 54,280.60

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1.5x scale

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.