Home / 70,030-104,993.16-36,748.72

Finding the Fourth Proportional to 70,030, 104,993.16 and 36,748.72

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Solution

The fourth proportional to 70,030, 104,993.16 and 36,748.72 is: 55,095.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,030 : 104,993.16 = 36,748.72 : x
  2. Step 2: Convert to fraction form
    70,030/104,993.16 = 36,748.72/x
  3. Step 3: Cross multiply
    70,030x = 104,993.16 × 36,748.72
  4. Step 4: Simplify right side
    70,030x = 3,858,364,238.76
  5. Step 5: Solve for x
    x = 3,858,364,238.76/70,030
  6. Step 6: Final answer
    x = 55,095.88

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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.