Home / 105,760.80-145,950.12-58,014.36

Finding the Fourth Proportional to 105,760.80, 145,950.12 and 58,014.36

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Solution

The fourth proportional to 105,760.80, 145,950.12 and 58,014.36 is: 80,059.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,760.80 : 145,950.12 = 58,014.36 : x
  2. Step 2: Convert to fraction form
    105,760.80/145,950.12 = 58,014.36/x
  3. Step 3: Cross multiply
    105,760.80x = 145,950.12 × 58,014.36
  4. Step 4: Simplify right side
    105,760.80x = 8,467,202,803.72
  5. Step 5: Solve for x
    x = 8,467,202,803.72/105,760.80
  6. Step 6: Final answer
    x = 80,059.94

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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.