Home / 57,916.40-86,809.80-29,825.60

Finding the Fourth Proportional to 57,916.40, 86,809.80 and 29,825.60

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Solution

The fourth proportional to 57,916.40, 86,809.80 and 29,825.60 is: 44,705.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,916.40 : 86,809.80 = 29,825.60 : x
  2. Step 2: Convert to fraction form
    57,916.40/86,809.80 = 29,825.60/x
  3. Step 3: Cross multiply
    57,916.40x = 86,809.80 × 29,825.60
  4. Step 4: Simplify right side
    57,916.40x = 2,589,154,370.88
  5. Step 5: Solve for x
    x = 2,589,154,370.88/57,916.40
  6. Step 6: Final answer
    x = 44,705.03

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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.