Home / 85,007.19-127,511.01-40,623.84

Finding the Fourth Proportional to 85,007.19, 127,511.01 and 40,623.84

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Solution

The fourth proportional to 85,007.19, 127,511.01 and 40,623.84 is: 60,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,007.19 : 127,511.01 = 40,623.84 : x
  2. Step 2: Convert to fraction form
    85,007.19/127,511.01 = 40,623.84/x
  3. Step 3: Cross multiply
    85,007.19x = 127,511.01 × 40,623.84
  4. Step 4: Simplify right side
    85,007.19x = 5,179,986,868.48
  5. Step 5: Solve for x
    x = 5,179,986,868.48/85,007.19
  6. Step 6: Final answer
    x = 60,935.87

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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.