Home / 76,468.24-105,515.40-42,474.16

Finding the Fourth Proportional to 76,468.24, 105,515.40 and 42,474.16

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Solution

The fourth proportional to 76,468.24, 105,515.40 and 42,474.16 is: 58,608.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,468.24 : 105,515.40 = 42,474.16 : x
  2. Step 2: Convert to fraction form
    76,468.24/105,515.40 = 42,474.16/x
  3. Step 3: Cross multiply
    76,468.24x = 105,515.40 × 42,474.16
  4. Step 4: Simplify right side
    76,468.24x = 4,481,677,982.06
  5. Step 5: Solve for x
    x = 4,481,677,982.06/76,468.24
  6. Step 6: Final answer
    x = 58,608.36

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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.