Home / 57,247.12-85,881.24-17,801.68

Finding the Fourth Proportional to 57,247.12, 85,881.24 and 17,801.68

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Solution

The fourth proportional to 57,247.12, 85,881.24 and 17,801.68 is: 26,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,247.12 : 85,881.24 = 17,801.68 : x
  2. Step 2: Convert to fraction form
    57,247.12/85,881.24 = 17,801.68/x
  3. Step 3: Cross multiply
    57,247.12x = 85,881.24 × 17,801.68
  4. Step 4: Simplify right side
    57,247.12x = 1,528,830,352.48
  5. Step 5: Solve for x
    x = 1,528,830,352.48/57,247.12
  6. Step 6: Final answer
    x = 26,705.80

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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.