Home / 56,724.45-78,175.47-53,124.96

Finding the Fourth Proportional to 56,724.45, 78,175.47 and 53,124.96

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Solution

The fourth proportional to 56,724.45, 78,175.47 and 53,124.96 is: 73,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,724.45 : 78,175.47 = 53,124.96 : x
  2. Step 2: Convert to fraction form
    56,724.45/78,175.47 = 53,124.96/x
  3. Step 3: Cross multiply
    56,724.45x = 78,175.47 × 53,124.96
  4. Step 4: Simplify right side
    56,724.45x = 4,153,068,357.17
  5. Step 5: Solve for x
    x = 4,153,068,357.17/56,724.45
  6. Step 6: Final answer
    x = 73,214.78

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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.