Home / 56,836.53-78,376.35-37,709.60

Finding the Fourth Proportional to 56,836.53, 78,376.35 and 37,709.60

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Solution

The fourth proportional to 56,836.53, 78,376.35 and 37,709.60 is: 52,000.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,836.53 : 78,376.35 = 37,709.60 : x
  2. Step 2: Convert to fraction form
    56,836.53/78,376.35 = 37,709.60/x
  3. Step 3: Cross multiply
    56,836.53x = 78,376.35 × 37,709.60
  4. Step 4: Simplify right side
    56,836.53x = 2,955,540,612.02
  5. Step 5: Solve for x
    x = 2,955,540,612.02/56,836.53
  6. Step 6: Final answer
    x = 52,000.72

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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.