Home / 57,616.95-86,428.18-27,999.51

Finding the Fourth Proportional to 57,616.95, 86,428.18 and 27,999.51

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Solution

The fourth proportional to 57,616.95, 86,428.18 and 27,999.51 is: 42,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,616.95 : 86,428.18 = 27,999.51 : x
  2. Step 2: Convert to fraction form
    57,616.95/86,428.18 = 27,999.51/x
  3. Step 3: Cross multiply
    57,616.95x = 86,428.18 × 27,999.51
  4. Step 4: Simplify right side
    57,616.95x = 2,419,946,401.09
  5. Step 5: Solve for x
    x = 2,419,946,401.09/57,616.95
  6. Step 6: Final answer
    x = 42,000.60

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1.5x scale

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.