Home / 84,692.28-127,087.63-37,945.16

Finding the Fourth Proportional to 84,692.28, 127,087.63 and 37,945.16

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Solution

The fourth proportional to 84,692.28, 127,087.63 and 37,945.16 is: 56,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,692.28 : 127,087.63 = 37,945.16 : x
  2. Step 2: Convert to fraction form
    84,692.28/127,087.63 = 37,945.16/x
  3. Step 3: Cross multiply
    84,692.28x = 127,087.63 × 37,945.16
  4. Step 4: Simplify right side
    84,692.28x = 4,822,360,414.09
  5. Step 5: Solve for x
    x = 4,822,360,414.09/84,692.28
  6. Step 6: Final answer
    x = 56,939.78

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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.