Home / 57,742.18-79,666.78-33,538.48

Finding the Fourth Proportional to 57,742.18, 79,666.78 and 33,538.48

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Solution

The fourth proportional to 57,742.18, 79,666.78 and 33,538.48 is: 46,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,742.18 : 79,666.78 = 33,538.48 : x
  2. Step 2: Convert to fraction form
    57,742.18/79,666.78 = 33,538.48/x
  3. Step 3: Cross multiply
    57,742.18x = 79,666.78 × 33,538.48
  4. Step 4: Simplify right side
    57,742.18x = 2,671,902,707.69
  5. Step 5: Solve for x
    x = 2,671,902,707.69/57,742.18
  6. Step 6: Final answer
    x = 46,272.98

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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.