Home / 57,733.05-86,679.15-39,919.95

Finding the Fourth Proportional to 57,733.05, 86,679.15 and 39,919.95

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Solution

The fourth proportional to 57,733.05, 86,679.15 and 39,919.95 is: 59,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,733.05 : 86,679.15 = 39,919.95 : x
  2. Step 2: Convert to fraction form
    57,733.05/86,679.15 = 39,919.95/x
  3. Step 3: Cross multiply
    57,733.05x = 86,679.15 × 39,919.95
  4. Step 4: Simplify right side
    57,733.05x = 3,460,227,334.04
  5. Step 5: Solve for x
    x = 3,460,227,334.04/57,733.05
  6. Step 6: Final answer
    x = 59,934.95

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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.