Home / 75,084.36-103,653.84-43,247.04

Finding the Fourth Proportional to 75,084.36, 103,653.84 and 43,247.04

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Solution

The fourth proportional to 75,084.36, 103,653.84 and 43,247.04 is: 59,702.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,084.36 : 103,653.84 = 43,247.04 : x
  2. Step 2: Convert to fraction form
    75,084.36/103,653.84 = 43,247.04/x
  3. Step 3: Cross multiply
    75,084.36x = 103,653.84 × 43,247.04
  4. Step 4: Simplify right side
    75,084.36x = 4,482,721,764.63
  5. Step 5: Solve for x
    x = 4,482,721,764.63/75,084.36
  6. Step 6: Final answer
    x = 59,702.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.