Home / 56,266.52-77,650.20-31,116

Finding the Fourth Proportional to 56,266.52, 77,650.20 and 31,116

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Solution

The fourth proportional to 56,266.52, 77,650.20 and 31,116 is: 42,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,266.52 : 77,650.20 = 31,116 : x
  2. Step 2: Convert to fraction form
    56,266.52/77,650.20 = 31,116/x
  3. Step 3: Cross multiply
    56,266.52x = 77,650.20 × 31,116
  4. Step 4: Simplify right side
    56,266.52x = 2,416,163,623.20
  5. Step 5: Solve for x
    x = 2,416,163,623.20/56,266.52
  6. Step 6: Final answer
    x = 42,941.41

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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.