Home / 57,059.37-85,603.06-40,225.28

Finding the Fourth Proportional to 57,059.37, 85,603.06 and 40,225.28

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Solution

The fourth proportional to 57,059.37, 85,603.06 and 40,225.28 is: 60,347.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,059.37 : 85,603.06 = 40,225.28 : x
  2. Step 2: Convert to fraction form
    57,059.37/85,603.06 = 40,225.28/x
  3. Step 3: Cross multiply
    57,059.37x = 85,603.06 × 40,225.28
  4. Step 4: Simplify right side
    57,059.37x = 3,443,406,679.62
  5. Step 5: Solve for x
    x = 3,443,406,679.62/57,059.37
  6. Step 6: Final answer
    x = 60,347.79

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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.