Home / 74,664.66-103,029.72-45,979.71

Finding the Fourth Proportional to 74,664.66, 103,029.72 and 45,979.71

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Solution

The fourth proportional to 74,664.66, 103,029.72 and 45,979.71 is: 63,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,664.66 : 103,029.72 = 45,979.71 : x
  2. Step 2: Convert to fraction form
    74,664.66/103,029.72 = 45,979.71/x
  3. Step 3: Cross multiply
    74,664.66x = 103,029.72 × 45,979.71
  4. Step 4: Simplify right side
    74,664.66x = 4,737,276,646.98
  5. Step 5: Solve for x
    x = 4,737,276,646.98/74,664.66
  6. Step 6: Final answer
    x = 63,447.37

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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.