Home / 51,551.21-77,314.75-29,071.60

Finding the Fourth Proportional to 51,551.21, 77,314.75 and 29,071.60

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Solution

The fourth proportional to 51,551.21, 77,314.75 and 29,071.60 is: 43,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,551.21 : 77,314.75 = 29,071.60 : x
  2. Step 2: Convert to fraction form
    51,551.21/77,314.75 = 29,071.60/x
  3. Step 3: Cross multiply
    51,551.21x = 77,314.75 × 29,071.60
  4. Step 4: Simplify right side
    51,551.21x = 2,247,663,486.10
  5. Step 5: Solve for x
    x = 2,247,663,486.10/51,551.21
  6. Step 6: Final answer
    x = 43,600.60

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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.