Home / 105,757.76-145,940.64-58,002.24

Finding the Fourth Proportional to 105,757.76, 145,940.64 and 58,002.24

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Solution

The fourth proportional to 105,757.76, 145,940.64 and 58,002.24 is: 80,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,757.76 : 145,940.64 = 58,002.24 : x
  2. Step 2: Convert to fraction form
    105,757.76/145,940.64 = 58,002.24/x
  3. Step 3: Cross multiply
    105,757.76x = 145,940.64 × 58,002.24
  4. Step 4: Simplify right side
    105,757.76x = 8,464,884,027.03
  5. Step 5: Solve for x
    x = 8,464,884,027.03/105,757.76
  6. Step 6: Final answer
    x = 80,040.31

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1.5x scale

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.