Home / 56,141.98-84,213.36-38,558.50

Finding the Fourth Proportional to 56,141.98, 84,213.36 and 38,558.50

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Solution

The fourth proportional to 56,141.98, 84,213.36 and 38,558.50 is: 57,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,141.98 : 84,213.36 = 38,558.50 : x
  2. Step 2: Convert to fraction form
    56,141.98/84,213.36 = 38,558.50/x
  3. Step 3: Cross multiply
    56,141.98x = 84,213.36 × 38,558.50
  4. Step 4: Simplify right side
    56,141.98x = 3,247,140,841.56
  5. Step 5: Solve for x
    x = 3,247,140,841.56/56,141.98
  6. Step 6: Final answer
    x = 57,838.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.