Home / 57,685.19-79,606.31-33,491.81

Finding the Fourth Proportional to 57,685.19, 79,606.31 and 33,491.81

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Solution

The fourth proportional to 57,685.19, 79,606.31 and 33,491.81 is: 46,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,685.19 : 79,606.31 = 33,491.81 : x
  2. Step 2: Convert to fraction form
    57,685.19/79,606.31 = 33,491.81/x
  3. Step 3: Cross multiply
    57,685.19x = 79,606.31 × 33,491.81
  4. Step 4: Simplify right side
    57,685.19x = 2,666,159,440.88
  5. Step 5: Solve for x
    x = 2,666,159,440.88/57,685.19
  6. Step 6: Final answer
    x = 46,219.14

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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.