Home / 85,215.28-127,823.22-26,050.72

Finding the Fourth Proportional to 85,215.28, 127,823.22 and 26,050.72

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Solution

The fourth proportional to 85,215.28, 127,823.22 and 26,050.72 is: 39,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,215.28 : 127,823.22 = 26,050.72 : x
  2. Step 2: Convert to fraction form
    85,215.28/127,823.22 = 26,050.72/x
  3. Step 3: Cross multiply
    85,215.28x = 127,823.22 × 26,050.72
  4. Step 4: Simplify right side
    85,215.28x = 3,329,886,913.72
  5. Step 5: Solve for x
    x = 3,329,886,913.72/85,215.28
  6. Step 6: Final answer
    x = 39,076.17

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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.