Home / 85,270.06-127,916.76-29,095.10

Finding the Fourth Proportional to 85,270.06, 127,916.76 and 29,095.10

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Solution

The fourth proportional to 85,270.06, 127,916.76 and 29,095.10 is: 43,646.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,270.06 : 127,916.76 = 29,095.10 : x
  2. Step 2: Convert to fraction form
    85,270.06/127,916.76 = 29,095.10/x
  3. Step 3: Cross multiply
    85,270.06x = 127,916.76 × 29,095.10
  4. Step 4: Simplify right side
    85,270.06x = 3,721,750,923.88
  5. Step 5: Solve for x
    x = 3,721,750,923.88/85,270.06
  6. Step 6: Final answer
    x = 43,646.63

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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.