Home / 70,031.12-105,052.47-29,516.33

Finding the Fourth Proportional to 70,031.12, 105,052.47 and 29,516.33

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Solution

The fourth proportional to 70,031.12, 105,052.47 and 29,516.33 is: 44,276.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,031.12 : 105,052.47 = 29,516.33 : x
  2. Step 2: Convert to fraction form
    70,031.12/105,052.47 = 29,516.33/x
  3. Step 3: Cross multiply
    70,031.12x = 105,052.47 × 29,516.33
  4. Step 4: Simplify right side
    70,031.12x = 3,100,763,606.79
  5. Step 5: Solve for x
    x = 3,100,763,606.79/70,031.12
  6. Step 6: Final answer
    x = 44,276.94

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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.