Home / 76,111.92-105,134.86-58,425.48

Finding the Fourth Proportional to 76,111.92, 105,134.86 and 58,425.48

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Solution

The fourth proportional to 76,111.92, 105,134.86 and 58,425.48 is: 80,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,111.92 : 105,134.86 = 58,425.48 : x
  2. Step 2: Convert to fraction form
    76,111.92/105,134.86 = 58,425.48/x
  3. Step 3: Cross multiply
    76,111.92x = 105,134.86 × 58,425.48
  4. Step 4: Simplify right side
    76,111.92x = 6,142,554,660.23
  5. Step 5: Solve for x
    x = 6,142,554,660.23/76,111.92
  6. Step 6: Final answer
    x = 80,704.24

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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.