Home / 60,268.50-90,403.68-28,681.86

Finding the Fourth Proportional to 60,268.50, 90,403.68 and 28,681.86

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Solution

The fourth proportional to 60,268.50, 90,403.68 and 28,681.86 is: 43,023.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,268.50 : 90,403.68 = 28,681.86 : x
  2. Step 2: Convert to fraction form
    60,268.50/90,403.68 = 28,681.86/x
  3. Step 3: Cross multiply
    60,268.50x = 90,403.68 × 28,681.86
  4. Step 4: Simplify right side
    60,268.50x = 2,592,945,693.24
  5. Step 5: Solve for x
    x = 2,592,945,693.24/60,268.50
  6. Step 6: Final answer
    x = 43,023.23

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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.