Home / 56,985.18-85,487.49-25,406.70

Finding the Fourth Proportional to 56,985.18, 85,487.49 and 25,406.70

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Solution

The fourth proportional to 56,985.18, 85,487.49 and 25,406.70 is: 38,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,985.18 : 85,487.49 = 25,406.70 : x
  2. Step 2: Convert to fraction form
    56,985.18/85,487.49 = 25,406.70/x
  3. Step 3: Cross multiply
    56,985.18x = 85,487.49 × 25,406.70
  4. Step 4: Simplify right side
    56,985.18x = 2,171,955,012.18
  5. Step 5: Solve for x
    x = 2,171,955,012.18/56,985.18
  6. Step 6: Final answer
    x = 38,114.38

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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.