Home / 85,227.98-127,935.45-35,343.05

Finding the Fourth Proportional to 85,227.98, 127,935.45 and 35,343.05

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Solution

The fourth proportional to 85,227.98, 127,935.45 and 35,343.05 is: 53,053.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,227.98 : 127,935.45 = 35,343.05 : x
  2. Step 2: Convert to fraction form
    85,227.98/127,935.45 = 35,343.05/x
  3. Step 3: Cross multiply
    85,227.98x = 127,935.45 × 35,343.05
  4. Step 4: Simplify right side
    85,227.98x = 4,521,628,366.45
  5. Step 5: Solve for x
    x = 4,521,628,366.45/85,227.98
  6. Step 6: Final answer
    x = 53,053.34

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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.