Home / 56,938.56-85,437.36-40,404.96

Finding the Fourth Proportional to 56,938.56, 85,437.36 and 40,404.96

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Solution

The fourth proportional to 56,938.56, 85,437.36 and 40,404.96 is: 60,628.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938.56 : 85,437.36 = 40,404.96 : x
  2. Step 2: Convert to fraction form
    56,938.56/85,437.36 = 40,404.96/x
  3. Step 3: Cross multiply
    56,938.56x = 85,437.36 × 40,404.96
  4. Step 4: Simplify right side
    56,938.56x = 3,452,093,113.31
  5. Step 5: Solve for x
    x = 3,452,093,113.31/56,938.56
  6. Step 6: Final answer
    x = 60,628.39

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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.