Home / 56,901.88-85,283.70-40,266.78

Finding the Fourth Proportional to 56,901.88, 85,283.70 and 40,266.78

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Solution

The fourth proportional to 56,901.88, 85,283.70 and 40,266.78 is: 60,351.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,901.88 : 85,283.70 = 40,266.78 : x
  2. Step 2: Convert to fraction form
    56,901.88/85,283.70 = 40,266.78/x
  3. Step 3: Cross multiply
    56,901.88x = 85,283.70 × 40,266.78
  4. Step 4: Simplify right side
    56,901.88x = 3,434,099,985.49
  5. Step 5: Solve for x
    x = 3,434,099,985.49/56,901.88
  6. Step 6: Final answer
    x = 60,351.26

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1.5x scale

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.