Home / 57,421.08-79,242.69-34,764.15

Finding the Fourth Proportional to 57,421.08, 79,242.69 and 34,764.15

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Solution

The fourth proportional to 57,421.08, 79,242.69 and 34,764.15 is: 47,975.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,421.08 : 79,242.69 = 34,764.15 : x
  2. Step 2: Convert to fraction form
    57,421.08/79,242.69 = 34,764.15/x
  3. Step 3: Cross multiply
    57,421.08x = 79,242.69 × 34,764.15
  4. Step 4: Simplify right side
    57,421.08x = 2,754,804,761.56
  5. Step 5: Solve for x
    x = 2,754,804,761.56/57,421.08
  6. Step 6: Final answer
    x = 47,975.50

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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.