Home / 85,233.19-127,880.95-39,662.62

Finding the Fourth Proportional to 85,233.19, 127,880.95 and 39,662.62

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Solution

The fourth proportional to 85,233.19, 127,880.95 and 39,662.62 is: 59,508.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,233.19 : 127,880.95 = 39,662.62 : x
  2. Step 2: Convert to fraction form
    85,233.19/127,880.95 = 39,662.62/x
  3. Step 3: Cross multiply
    85,233.19x = 127,880.95 × 39,662.62
  4. Step 4: Simplify right side
    85,233.19x = 5,072,093,525.09
  5. Step 5: Solve for x
    x = 5,072,093,525.09/85,233.19
  6. Step 6: Final answer
    x = 59,508.43

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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.