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Finding the Fourth Proportional to 56,802.81, 85,110.05 and 34,548.87

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Solution

The fourth proportional to 56,802.81, 85,110.05 and 34,548.87 is: 51,766.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,802.81 : 85,110.05 = 34,548.87 : x
  2. Step 2: Convert to fraction form
    56,802.81/85,110.05 = 34,548.87/x
  3. Step 3: Cross multiply
    56,802.81x = 85,110.05 × 34,548.87
  4. Step 4: Simplify right side
    56,802.81x = 2,940,456,139.52
  5. Step 5: Solve for x
    x = 2,940,456,139.52/56,802.81
  6. Step 6: Final answer
    x = 51,766.03

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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.