Home / 69,837.86-96,489-48,711.44

Finding the Fourth Proportional to 69,837.86, 96,489 and 48,711.44

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Solution

The fourth proportional to 69,837.86, 96,489 and 48,711.44 is: 67,300.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,837.86 : 96,489 = 48,711.44 : x
  2. Step 2: Convert to fraction form
    69,837.86/96,489 = 48,711.44/x
  3. Step 3: Cross multiply
    69,837.86x = 96,489 × 48,711.44
  4. Step 4: Simplify right side
    69,837.86x = 4,700,118,134.16
  5. Step 5: Solve for x
    x = 4,700,118,134.16/69,837.86
  6. Step 6: Final answer
    x = 67,300.43

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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.