Home / 74,355.63-102,607.97-40,363.38

Finding the Fourth Proportional to 74,355.63, 102,607.97 and 40,363.38

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Solution

The fourth proportional to 74,355.63, 102,607.97 and 40,363.38 is: 55,699.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,355.63 : 102,607.97 = 40,363.38 : x
  2. Step 2: Convert to fraction form
    74,355.63/102,607.97 = 40,363.38/x
  3. Step 3: Cross multiply
    74,355.63x = 102,607.97 × 40,363.38
  4. Step 4: Simplify right side
    74,355.63x = 4,141,604,282.32
  5. Step 5: Solve for x
    x = 4,141,604,282.32/74,355.63
  6. Step 6: Final answer
    x = 55,699.94

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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.