Home / 56,682.88-78,222.44-31,532.38

Finding the Fourth Proportional to 56,682.88, 78,222.44 and 31,532.38

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Solution

The fourth proportional to 56,682.88, 78,222.44 and 31,532.38 is: 43,514.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,682.88 : 78,222.44 = 31,532.38 : x
  2. Step 2: Convert to fraction form
    56,682.88/78,222.44 = 31,532.38/x
  3. Step 3: Cross multiply
    56,682.88x = 78,222.44 × 31,532.38
  4. Step 4: Simplify right side
    56,682.88x = 2,466,539,702.61
  5. Step 5: Solve for x
    x = 2,466,539,702.61/56,682.88
  6. Step 6: Final answer
    x = 43,514.72

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1.5x scale

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.