Home / 64,135.60-88,535.23-49,028.90

Finding the Fourth Proportional to 64,135.60, 88,535.23 and 49,028.90

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Solution

The fourth proportional to 64,135.60, 88,535.23 and 49,028.90 is: 67,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,135.60 : 88,535.23 = 49,028.90 : x
  2. Step 2: Convert to fraction form
    64,135.60/88,535.23 = 49,028.90/x
  3. Step 3: Cross multiply
    64,135.60x = 88,535.23 × 49,028.90
  4. Step 4: Simplify right side
    64,135.60x = 4,340,784,372.90
  5. Step 5: Solve for x
    x = 4,340,784,372.90/64,135.60
  6. Step 6: Final answer
    x = 67,681.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.