Home / 57,438.22-79,271.73-34,776.65

Finding the Fourth Proportional to 57,438.22, 79,271.73 and 34,776.65

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Solution

The fourth proportional to 57,438.22, 79,271.73 and 34,776.65 is: 47,996.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,438.22 : 79,271.73 = 34,776.65 : x
  2. Step 2: Convert to fraction form
    57,438.22/79,271.73 = 34,776.65/x
  3. Step 3: Cross multiply
    57,438.22x = 79,271.73 × 34,776.65
  4. Step 4: Simplify right side
    57,438.22x = 2,756,805,209.10
  5. Step 5: Solve for x
    x = 2,756,805,209.10/57,438.22
  6. Step 6: Final answer
    x = 47,996.01

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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.