Home / 69,125.35-103,688.03-34,133.35

Finding the Fourth Proportional to 69,125.35, 103,688.03 and 34,133.35

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Solution

The fourth proportional to 69,125.35, 103,688.03 and 34,133.35 is: 51,200.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,125.35 : 103,688.03 = 34,133.35 : x
  2. Step 2: Convert to fraction form
    69,125.35/103,688.03 = 34,133.35/x
  3. Step 3: Cross multiply
    69,125.35x = 103,688.03 × 34,133.35
  4. Step 4: Simplify right side
    69,125.35x = 3,539,219,648.13
  5. Step 5: Solve for x
    x = 3,539,219,648.13/69,125.35
  6. Step 6: Final answer
    x = 51,200.03

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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.