Home / 85,264.22-127,786.88-40,824.38

Finding the Fourth Proportional to 85,264.22, 127,786.88 and 40,824.38

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Solution

The fourth proportional to 85,264.22, 127,786.88 and 40,824.38 is: 61,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,264.22 : 127,786.88 = 40,824.38 : x
  2. Step 2: Convert to fraction form
    85,264.22/127,786.88 = 40,824.38/x
  3. Step 3: Cross multiply
    85,264.22x = 127,786.88 × 40,824.38
  4. Step 4: Simplify right side
    85,264.22x = 5,216,819,944.01
  5. Step 5: Solve for x
    x = 5,216,819,944.01/85,264.22
  6. Step 6: Final answer
    x = 61,184.16

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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.