Home / 57,151.89-78,908.14-35,674.35

Finding the Fourth Proportional to 57,151.89, 78,908.14 and 35,674.35

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Solution

The fourth proportional to 57,151.89, 78,908.14 and 35,674.35 is: 49,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,151.89 : 78,908.14 = 35,674.35 : x
  2. Step 2: Convert to fraction form
    57,151.89/78,908.14 = 35,674.35/x
  3. Step 3: Cross multiply
    57,151.89x = 78,908.14 × 35,674.35
  4. Step 4: Simplify right side
    57,151.89x = 2,814,996,424.32
  5. Step 5: Solve for x
    x = 2,814,996,424.32/57,151.89
  6. Step 6: Final answer
    x = 49,254.65

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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.