Home / 70,431.52-105,576.18-44,154.72

Finding the Fourth Proportional to 70,431.52, 105,576.18 and 44,154.72

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Solution

The fourth proportional to 70,431.52, 105,576.18 and 44,154.72 is: 66,187.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,431.52 : 105,576.18 = 44,154.72 : x
  2. Step 2: Convert to fraction form
    70,431.52/105,576.18 = 44,154.72/x
  3. Step 3: Cross multiply
    70,431.52x = 105,576.18 × 44,154.72
  4. Step 4: Simplify right side
    70,431.52x = 4,661,686,666.57
  5. Step 5: Solve for x
    x = 4,661,686,666.57/70,431.52
  6. Step 6: Final answer
    x = 66,187.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.