Home / 70,263.09-105,407.63-22,243.79

Finding the Fourth Proportional to 70,263.09, 105,407.63 and 22,243.79

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Solution

The fourth proportional to 70,263.09, 105,407.63 and 22,243.79 is: 33,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,263.09 : 105,407.63 = 22,243.79 : x
  2. Step 2: Convert to fraction form
    70,263.09/105,407.63 = 22,243.79/x
  3. Step 3: Cross multiply
    70,263.09x = 105,407.63 × 22,243.79
  4. Step 4: Simplify right side
    70,263.09x = 2,344,665,186.12
  5. Step 5: Solve for x
    x = 2,344,665,186.12/70,263.09
  6. Step 6: Final answer
    x = 33,369.80

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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.