Home / 56,780.10-85,138.80-26,352.06

Finding the Fourth Proportional to 56,780.10, 85,138.80 and 26,352.06

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Solution

The fourth proportional to 56,780.10, 85,138.80 and 26,352.06 is: 39,513.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,780.10 : 85,138.80 = 26,352.06 : x
  2. Step 2: Convert to fraction form
    56,780.10/85,138.80 = 26,352.06/x
  3. Step 3: Cross multiply
    56,780.10x = 85,138.80 × 26,352.06
  4. Step 4: Simplify right side
    56,780.10x = 2,243,582,765.93
  5. Step 5: Solve for x
    x = 2,243,582,765.93/56,780.10
  6. Step 6: Final answer
    x = 39,513.54

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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.