Home / 85,082.00-127,701.77-42,991.70

Finding the Fourth Proportional to 85,082.00, 127,701.77 and 42,991.70

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Solution

The fourth proportional to 85,082.00, 127,701.77 and 42,991.70 is: 64,527.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,082.00 : 127,701.77 = 42,991.70 : x
  2. Step 2: Convert to fraction form
    85,082.00/127,701.77 = 42,991.70/x
  3. Step 3: Cross multiply
    85,082.00x = 127,701.77 × 42,991.70
  4. Step 4: Simplify right side
    85,082.00x = 5,490,115,331.84
  5. Step 5: Solve for x
    x = 5,490,115,331.84/85,082.00
  6. Step 6: Final answer
    x = 64,527.35

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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.