Home / 74,124.09-102,310.43-45,453.33

Finding the Fourth Proportional to 74,124.09, 102,310.43 and 45,453.33

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Solution

The fourth proportional to 74,124.09, 102,310.43 and 45,453.33 is: 62,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,124.09 : 102,310.43 = 45,453.33 : x
  2. Step 2: Convert to fraction form
    74,124.09/102,310.43 = 45,453.33/x
  3. Step 3: Cross multiply
    74,124.09x = 102,310.43 × 45,453.33
  4. Step 4: Simplify right side
    74,124.09x = 4,650,349,509.97
  5. Step 5: Solve for x
    x = 4,650,349,509.97/74,124.09
  6. Step 6: Final answer
    x = 62,737.36

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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.