Home / 57,116.94-78,810.44-36,971.04

Finding the Fourth Proportional to 57,116.94, 78,810.44 and 36,971.04

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Solution

The fourth proportional to 57,116.94, 78,810.44 and 36,971.04 is: 51,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,116.94 : 78,810.44 = 36,971.04 : x
  2. Step 2: Convert to fraction form
    57,116.94/78,810.44 = 36,971.04/x
  3. Step 3: Cross multiply
    57,116.94x = 78,810.44 × 36,971.04
  4. Step 4: Simplify right side
    57,116.94x = 2,913,703,929.66
  5. Step 5: Solve for x
    x = 2,913,703,929.66/57,116.94
  6. Step 6: Final answer
    x = 51,012.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.