Home / 56,835.59-78,466.68-50,530.50

Finding the Fourth Proportional to 56,835.59, 78,466.68 and 50,530.50

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Solution

The fourth proportional to 56,835.59, 78,466.68 and 50,530.50 is: 69,761.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,835.59 : 78,466.68 = 50,530.50 : x
  2. Step 2: Convert to fraction form
    56,835.59/78,466.68 = 50,530.50/x
  3. Step 3: Cross multiply
    56,835.59x = 78,466.68 × 50,530.50
  4. Step 4: Simplify right side
    56,835.59x = 3,964,960,573.74
  5. Step 5: Solve for x
    x = 3,964,960,573.74/56,835.59
  6. Step 6: Final answer
    x = 69,761.94

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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.