Home / 57,009.57-78,701.27-35,800.53

Finding the Fourth Proportional to 57,009.57, 78,701.27 and 35,800.53

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Solution

The fourth proportional to 57,009.57, 78,701.27 and 35,800.53 is: 49,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,009.57 : 78,701.27 = 35,800.53 : x
  2. Step 2: Convert to fraction form
    57,009.57/78,701.27 = 35,800.53/x
  3. Step 3: Cross multiply
    57,009.57x = 78,701.27 × 35,800.53
  4. Step 4: Simplify right side
    57,009.57x = 2,817,546,998.67
  5. Step 5: Solve for x
    x = 2,817,546,998.67/57,009.57
  6. Step 6: Final answer
    x = 49,422.35

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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.