Home / 56,920.80-85,375.62-25,331.40

Finding the Fourth Proportional to 56,920.80, 85,375.62 and 25,331.40

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Solution

The fourth proportional to 56,920.80, 85,375.62 and 25,331.40 is: 37,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,920.80 : 85,375.62 = 25,331.40 : x
  2. Step 2: Convert to fraction form
    56,920.80/85,375.62 = 25,331.40/x
  3. Step 3: Cross multiply
    56,920.80x = 85,375.62 × 25,331.40
  4. Step 4: Simplify right side
    56,920.80x = 2,162,683,980.47
  5. Step 5: Solve for x
    x = 2,162,683,980.47/56,920.80
  6. Step 6: Final answer
    x = 37,994.62

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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.