Home / 74,176.89-102,364.22-43,977

Finding the Fourth Proportional to 74,176.89, 102,364.22 and 43,977

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Solution

The fourth proportional to 74,176.89, 102,364.22 and 43,977 is: 60,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,176.89 : 102,364.22 = 43,977 : x
  2. Step 2: Convert to fraction form
    74,176.89/102,364.22 = 43,977/x
  3. Step 3: Cross multiply
    74,176.89x = 102,364.22 × 43,977
  4. Step 4: Simplify right side
    74,176.89x = 4,501,671,083.06
  5. Step 5: Solve for x
    x = 4,501,671,083.06/74,176.89
  6. Step 6: Final answer
    x = 60,688.32

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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.