Home / 84,910.28-127,290.69-66,087.50

Finding the Fourth Proportional to 84,910.28, 127,290.69 and 66,087.50

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Solution

The fourth proportional to 84,910.28, 127,290.69 and 66,087.50 is: 99,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,910.28 : 127,290.69 = 66,087.50 : x
  2. Step 2: Convert to fraction form
    84,910.28/127,290.69 = 66,087.50/x
  3. Step 3: Cross multiply
    84,910.28x = 127,290.69 × 66,087.50
  4. Step 4: Simplify right side
    84,910.28x = 8,412,322,838.92
  5. Step 5: Solve for x
    x = 8,412,322,838.92/84,910.28
  6. Step 6: Final answer
    x = 99,073.08

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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.