Home / 69,555.12-104,304.33-34,031.76

Finding the Fourth Proportional to 69,555.12, 104,304.33 and 34,031.76

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Solution

The fourth proportional to 69,555.12, 104,304.33 and 34,031.76 is: 51,033.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,555.12 : 104,304.33 = 34,031.76 : x
  2. Step 2: Convert to fraction form
    69,555.12/104,304.33 = 34,031.76/x
  3. Step 3: Cross multiply
    69,555.12x = 104,304.33 × 34,031.76
  4. Step 4: Simplify right side
    69,555.12x = 3,549,659,925.52
  5. Step 5: Solve for x
    x = 3,549,659,925.52/69,555.12
  6. Step 6: Final answer
    x = 51,033.77

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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.