Home / 57,103.50-78,837.40-37,266.06

Finding the Fourth Proportional to 57,103.50, 78,837.40 and 37,266.06

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Solution

The fourth proportional to 57,103.50, 78,837.40 and 37,266.06 is: 51,449.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,103.50 : 78,837.40 = 37,266.06 : x
  2. Step 2: Convert to fraction form
    57,103.50/78,837.40 = 37,266.06/x
  3. Step 3: Cross multiply
    57,103.50x = 78,837.40 × 37,266.06
  4. Step 4: Simplify right side
    57,103.50x = 2,937,959,278.64
  5. Step 5: Solve for x
    x = 2,937,959,278.64/57,103.50
  6. Step 6: Final answer
    x = 51,449.72

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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.