Home / 105,149.04-145,108.92-59,833.56

Finding the Fourth Proportional to 105,149.04, 145,108.92 and 59,833.56

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Solution

The fourth proportional to 105,149.04, 145,108.92 and 59,833.56 is: 82,572.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,149.04 : 145,108.92 = 59,833.56 : x
  2. Step 2: Convert to fraction form
    105,149.04/145,108.92 = 59,833.56/x
  3. Step 3: Cross multiply
    105,149.04x = 145,108.92 × 59,833.56
  4. Step 4: Simplify right side
    105,149.04x = 8,682,383,271.36
  5. Step 5: Solve for x
    x = 8,682,383,271.36/105,149.04
  6. Step 6: Final answer
    x = 82,572.16

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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.