Home / 56,791.76-78,373.17-31,299.06

Finding the Fourth Proportional to 56,791.76, 78,373.17 and 31,299.06

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Solution

The fourth proportional to 56,791.76, 78,373.17 and 31,299.06 is: 43,193.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,791.76 : 78,373.17 = 31,299.06 : x
  2. Step 2: Convert to fraction form
    56,791.76/78,373.17 = 31,299.06/x
  3. Step 3: Cross multiply
    56,791.76x = 78,373.17 × 31,299.06
  4. Step 4: Simplify right side
    56,791.76x = 2,453,006,648.19
  5. Step 5: Solve for x
    x = 2,453,006,648.19/56,791.76
  6. Step 6: Final answer
    x = 43,193.00

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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.