Home / 84,723.00-127,082.44-20,681.60

Finding the Fourth Proportional to 84,723.00, 127,082.44 and 20,681.60

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Solution

The fourth proportional to 84,723.00, 127,082.44 and 20,681.60 is: 31,021.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,723.00 : 127,082.44 = 20,681.60 : x
  2. Step 2: Convert to fraction form
    84,723.00/127,082.44 = 20,681.60/x
  3. Step 3: Cross multiply
    84,723.00x = 127,082.44 × 20,681.60
  4. Step 4: Simplify right side
    84,723.00x = 2,628,267,465.21
  5. Step 5: Solve for x
    x = 2,628,267,465.21/84,723.00
  6. Step 6: Final answer
    x = 31,021.89

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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.