Home / 85,095.50-127,643.25-22,764.38

Finding the Fourth Proportional to 85,095.50, 127,643.25 and 22,764.38

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Solution

The fourth proportional to 85,095.50, 127,643.25 and 22,764.38 is: 34,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,095.50 : 127,643.25 = 22,764.38 : x
  2. Step 2: Convert to fraction form
    85,095.50/127,643.25 = 22,764.38/x
  3. Step 3: Cross multiply
    85,095.50x = 127,643.25 × 22,764.38
  4. Step 4: Simplify right side
    85,095.50x = 2,905,718,809.22
  5. Step 5: Solve for x
    x = 2,905,718,809.22/85,095.50
  6. Step 6: Final answer
    x = 34,146.56

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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.