Home / 70,434.31-105,783.09-62,003.83

Finding the Fourth Proportional to 70,434.31, 105,783.09 and 62,003.83

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Solution

The fourth proportional to 70,434.31, 105,783.09 and 62,003.83 is: 93,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,434.31 : 105,783.09 = 62,003.83 : x
  2. Step 2: Convert to fraction form
    70,434.31/105,783.09 = 62,003.83/x
  3. Step 3: Cross multiply
    70,434.31x = 105,783.09 × 62,003.83
  4. Step 4: Simplify right side
    70,434.31x = 6,558,956,729.23
  5. Step 5: Solve for x
    x = 6,558,956,729.23/70,434.31
  6. Step 6: Final answer
    x = 93,121.62

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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.