Home / 56,715.12-78,284.07-32,847.66

Finding the Fourth Proportional to 56,715.12, 78,284.07 and 32,847.66

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Solution

The fourth proportional to 56,715.12, 78,284.07 and 32,847.66 is: 45,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,715.12 : 78,284.07 = 32,847.66 : x
  2. Step 2: Convert to fraction form
    56,715.12/78,284.07 = 32,847.66/x
  3. Step 3: Cross multiply
    56,715.12x = 78,284.07 × 32,847.66
  4. Step 4: Simplify right side
    56,715.12x = 2,571,448,514.78
  5. Step 5: Solve for x
    x = 2,571,448,514.78/56,715.12
  6. Step 6: Final answer
    x = 45,339.74

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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.