Home / 56,923.10-85,384.65-40,301.90

Finding the Fourth Proportional to 56,923.10, 85,384.65 and 40,301.90

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Solution

The fourth proportional to 56,923.10, 85,384.65 and 40,301.90 is: 60,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,923.10 : 85,384.65 = 40,301.90 : x
  2. Step 2: Convert to fraction form
    56,923.10/85,384.65 = 40,301.90/x
  3. Step 3: Cross multiply
    56,923.10x = 85,384.65 × 40,301.90
  4. Step 4: Simplify right side
    56,923.10x = 3,441,163,625.84
  5. Step 5: Solve for x
    x = 3,441,163,625.84/56,923.10
  6. Step 6: Final answer
    x = 60,452.85

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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.