Home / 101,470.48-140,029.43-56,150.37

Finding the Fourth Proportional to 101,470.48, 140,029.43 and 56,150.37

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Solution

The fourth proportional to 101,470.48, 140,029.43 and 56,150.37 is: 77,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,470.48 : 140,029.43 = 56,150.37 : x
  2. Step 2: Convert to fraction form
    101,470.48/140,029.43 = 56,150.37/x
  3. Step 3: Cross multiply
    101,470.48x = 140,029.43 × 56,150.37
  4. Step 4: Simplify right side
    101,470.48x = 7,862,704,305.39
  5. Step 5: Solve for x
    x = 7,862,704,305.39/101,470.48
  6. Step 6: Final answer
    x = 77,487.60

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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.