Home / 61,479.72-84,835.80-34,621.56

Finding the Fourth Proportional to 61,479.72, 84,835.80 and 34,621.56

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Solution

The fourth proportional to 61,479.72, 84,835.80 and 34,621.56 is: 47,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,479.72 : 84,835.80 = 34,621.56 : x
  2. Step 2: Convert to fraction form
    61,479.72/84,835.80 = 34,621.56/x
  3. Step 3: Cross multiply
    61,479.72x = 84,835.80 × 34,621.56
  4. Step 4: Simplify right side
    61,479.72x = 2,937,147,739.85
  5. Step 5: Solve for x
    x = 2,937,147,739.85/61,479.72
  6. Step 6: Final answer
    x = 47,774.25

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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.