Home / 56,731.04-78,299.34-32,857.71

Finding the Fourth Proportional to 56,731.04, 78,299.34 and 32,857.71

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Solution

The fourth proportional to 56,731.04, 78,299.34 and 32,857.71 is: 45,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,731.04 : 78,299.34 = 32,857.71 : x
  2. Step 2: Convert to fraction form
    56,731.04/78,299.34 = 32,857.71/x
  3. Step 3: Cross multiply
    56,731.04x = 78,299.34 × 32,857.71
  4. Step 4: Simplify right side
    56,731.04x = 2,572,737,153.72
  5. Step 5: Solve for x
    x = 2,572,737,153.72/56,731.04
  6. Step 6: Final answer
    x = 45,349.72

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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.