Home / 63,421.17-94,985.47-45,540.60

Finding the Fourth Proportional to 63,421.17, 94,985.47 and 45,540.60

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Solution

The fourth proportional to 63,421.17, 94,985.47 and 45,540.60 is: 68,205.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.17 : 94,985.47 = 45,540.60 : x
  2. Step 2: Convert to fraction form
    63,421.17/94,985.47 = 45,540.60/x
  3. Step 3: Cross multiply
    63,421.17x = 94,985.47 × 45,540.60
  4. Step 4: Simplify right side
    63,421.17x = 4,325,695,295.08
  5. Step 5: Solve for x
    x = 4,325,695,295.08/63,421.17
  6. Step 6: Final answer
    x = 68,205.86

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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.