Home / 69,036.13-103,388.11-39,364.01

Finding the Fourth Proportional to 69,036.13, 103,388.11 and 39,364.01

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Solution

The fourth proportional to 69,036.13, 103,388.11 and 39,364.01 is: 58,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,036.13 : 103,388.11 = 39,364.01 : x
  2. Step 2: Convert to fraction form
    69,036.13/103,388.11 = 39,364.01/x
  3. Step 3: Cross multiply
    69,036.13x = 103,388.11 × 39,364.01
  4. Step 4: Simplify right side
    69,036.13x = 4,069,770,595.92
  5. Step 5: Solve for x
    x = 4,069,770,595.92/69,036.13
  6. Step 6: Final answer
    x = 58,951.31

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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.