Home / 56,715.30-85,060.80-25,125.30

Finding the Fourth Proportional to 56,715.30, 85,060.80 and 25,125.30

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Solution

The fourth proportional to 56,715.30, 85,060.80 and 25,125.30 is: 37,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,715.30 : 85,060.80 = 25,125.30 : x
  2. Step 2: Convert to fraction form
    56,715.30/85,060.80 = 25,125.30/x
  3. Step 3: Cross multiply
    56,715.30x = 85,060.80 × 25,125.30
  4. Step 4: Simplify right side
    56,715.30x = 2,137,178,118.24
  5. Step 5: Solve for x
    x = 2,137,178,118.24/56,715.30
  6. Step 6: Final answer
    x = 37,682.57

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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.