Home / 76,576.13-105,659.55-44,738.87

Finding the Fourth Proportional to 76,576.13, 105,659.55 and 44,738.87

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Solution

The fourth proportional to 76,576.13, 105,659.55 and 44,738.87 is: 61,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,576.13 : 105,659.55 = 44,738.87 : x
  2. Step 2: Convert to fraction form
    76,576.13/105,659.55 = 44,738.87/x
  3. Step 3: Cross multiply
    76,576.13x = 105,659.55 × 44,738.87
  4. Step 4: Simplify right side
    76,576.13x = 4,727,088,343.41
  5. Step 5: Solve for x
    x = 4,727,088,343.41/76,576.13
  6. Step 6: Final answer
    x = 61,730.58

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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.