Home / 61,065.44-91,442.64-40,225.76

Finding the Fourth Proportional to 61,065.44, 91,442.64 and 40,225.76

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Solution

The fourth proportional to 61,065.44, 91,442.64 and 40,225.76 is: 60,236.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,065.44 : 91,442.64 = 40,225.76 : x
  2. Step 2: Convert to fraction form
    61,065.44/91,442.64 = 40,225.76/x
  3. Step 3: Cross multiply
    61,065.44x = 91,442.64 × 40,225.76
  4. Step 4: Simplify right side
    61,065.44x = 3,678,349,690.41
  5. Step 5: Solve for x
    x = 3,678,349,690.41/61,065.44
  6. Step 6: Final answer
    x = 60,236.19

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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.