Home / 56,972.06-85,374.93-40,323.05

Finding the Fourth Proportional to 56,972.06, 85,374.93 and 40,323.05

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Solution

The fourth proportional to 56,972.06, 85,374.93 and 40,323.05 is: 60,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,972.06 : 85,374.93 = 40,323.05 : x
  2. Step 2: Convert to fraction form
    56,972.06/85,374.93 = 40,323.05/x
  3. Step 3: Cross multiply
    56,972.06x = 85,374.93 × 40,323.05
  4. Step 4: Simplify right side
    56,972.06x = 3,442,577,571.14
  5. Step 5: Solve for x
    x = 3,442,577,571.14/56,972.06
  6. Step 6: Final answer
    x = 60,425.72

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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.