Home / 56,803.28-78,360.62-36,652.50

Finding the Fourth Proportional to 56,803.28, 78,360.62 and 36,652.50

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Solution

The fourth proportional to 56,803.28, 78,360.62 and 36,652.50 is: 50,562.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,803.28 : 78,360.62 = 36,652.50 : x
  2. Step 2: Convert to fraction form
    56,803.28/78,360.62 = 36,652.50/x
  3. Step 3: Cross multiply
    56,803.28x = 78,360.62 × 36,652.50
  4. Step 4: Simplify right side
    56,803.28x = 2,872,112,441.29
  5. Step 5: Solve for x
    x = 2,872,112,441.29/56,803.28
  6. Step 6: Final answer
    x = 50,562.44

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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.