Home / 57,411.06-79,240.59-36,219.30

Finding the Fourth Proportional to 57,411.06, 79,240.59 and 36,219.30

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Solution

The fourth proportional to 57,411.06, 79,240.59 and 36,219.30 is: 49,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,411.06 : 79,240.59 = 36,219.30 : x
  2. Step 2: Convert to fraction form
    57,411.06/79,240.59 = 36,219.30/x
  3. Step 3: Cross multiply
    57,411.06x = 79,240.59 × 36,219.30
  4. Step 4: Simplify right side
    57,411.06x = 2,870,038,701.39
  5. Step 5: Solve for x
    x = 2,870,038,701.39/57,411.06
  6. Step 6: Final answer
    x = 49,991.04

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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.