Home / 47,207.86-65,147.25-25,988.66

Finding the Fourth Proportional to 47,207.86, 65,147.25 and 25,988.66

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Solution

The fourth proportional to 47,207.86, 65,147.25 and 25,988.66 is: 35,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,207.86 : 65,147.25 = 25,988.66 : x
  2. Step 2: Convert to fraction form
    47,207.86/65,147.25 = 25,988.66/x
  3. Step 3: Cross multiply
    47,207.86x = 65,147.25 × 25,988.66
  4. Step 4: Simplify right side
    47,207.86x = 1,693,089,730.19
  5. Step 5: Solve for x
    x = 1,693,089,730.19/47,207.86
  6. Step 6: Final answer
    x = 35,864.57

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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.