Home / 69,725.07-104,562.36-38,158.47

Finding the Fourth Proportional to 69,725.07, 104,562.36 and 38,158.47

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Solution

The fourth proportional to 69,725.07, 104,562.36 and 38,158.47 is: 57,223.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,725.07 : 104,562.36 = 38,158.47 : x
  2. Step 2: Convert to fraction form
    69,725.07/104,562.36 = 38,158.47/x
  3. Step 3: Cross multiply
    69,725.07x = 104,562.36 × 38,158.47
  4. Step 4: Simplify right side
    69,725.07x = 3,989,939,677.19
  5. Step 5: Solve for x
    x = 3,989,939,677.19/69,725.07
  6. Step 6: Final answer
    x = 57,223.89

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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.