Home / 56,932.61-78,566.99-31,782.11

Finding the Fourth Proportional to 56,932.61, 78,566.99 and 31,782.11

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Solution

The fourth proportional to 56,932.61, 78,566.99 and 31,782.11 is: 43,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,932.61 : 78,566.99 = 31,782.11 : x
  2. Step 2: Convert to fraction form
    56,932.61/78,566.99 = 31,782.11/x
  3. Step 3: Cross multiply
    56,932.61x = 78,566.99 × 31,782.11
  4. Step 4: Simplify right side
    56,932.61x = 2,497,024,166.80
  5. Step 5: Solve for x
    x = 2,497,024,166.80/56,932.61
  6. Step 6: Final answer
    x = 43,859.30

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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.