Home / 104,710.24-157,005.86-71,470.54

Finding the Fourth Proportional to 104,710.24, 157,005.86 and 71,470.54

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Solution

The fourth proportional to 104,710.24, 157,005.86 and 71,470.54 is: 107,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,710.24 : 157,005.86 = 71,470.54 : x
  2. Step 2: Convert to fraction form
    104,710.24/157,005.86 = 71,470.54/x
  3. Step 3: Cross multiply
    104,710.24x = 157,005.86 × 71,470.54
  4. Step 4: Simplify right side
    104,710.24x = 11,221,292,847.50
  5. Step 5: Solve for x
    x = 11,221,292,847.50/104,710.24
  6. Step 6: Final answer
    x = 107,165.19

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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.