Home / 57,336.07-86,001.35-19,382.81

Finding the Fourth Proportional to 57,336.07, 86,001.35 and 19,382.81

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Solution

The fourth proportional to 57,336.07, 86,001.35 and 19,382.81 is: 29,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,336.07 : 86,001.35 = 19,382.81 : x
  2. Step 2: Convert to fraction form
    57,336.07/86,001.35 = 19,382.81/x
  3. Step 3: Cross multiply
    57,336.07x = 86,001.35 × 19,382.81
  4. Step 4: Simplify right side
    57,336.07x = 1,666,947,783.63
  5. Step 5: Solve for x
    x = 1,666,947,783.63/57,336.07
  6. Step 6: Final answer
    x = 29,073.28

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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.