Home / 105,604.23-145,737.86-60,289.59

Finding the Fourth Proportional to 105,604.23, 145,737.86 and 60,289.59

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Solution

The fourth proportional to 105,604.23, 145,737.86 and 60,289.59 is: 83,201.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,604.23 : 145,737.86 = 60,289.59 : x
  2. Step 2: Convert to fraction form
    105,604.23/145,737.86 = 60,289.59/x
  3. Step 3: Cross multiply
    105,604.23x = 145,737.86 × 60,289.59
  4. Step 4: Simplify right side
    105,604.23x = 8,786,475,525.43
  5. Step 5: Solve for x
    x = 8,786,475,525.43/105,604.23
  6. Step 6: Final answer
    x = 83,201.93

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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.