Home / 52,654.26-78,970.86-19,362.99

Finding the Fourth Proportional to 52,654.26, 78,970.86 and 19,362.99

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Solution

The fourth proportional to 52,654.26, 78,970.86 and 19,362.99 is: 29,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,654.26 : 78,970.86 = 19,362.99 : x
  2. Step 2: Convert to fraction form
    52,654.26/78,970.86 = 19,362.99/x
  3. Step 3: Cross multiply
    52,654.26x = 78,970.86 × 19,362.99
  4. Step 4: Simplify right side
    52,654.26x = 1,529,111,972.47
  5. Step 5: Solve for x
    x = 1,529,111,972.47/52,654.26
  6. Step 6: Final answer
    x = 29,040.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.