Home / 74,568.63-102,901.68-42,715.38

Finding the Fourth Proportional to 74,568.63, 102,901.68 and 42,715.38

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Solution

The fourth proportional to 74,568.63, 102,901.68 and 42,715.38 is: 58,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,568.63 : 102,901.68 = 42,715.38 : x
  2. Step 2: Convert to fraction form
    74,568.63/102,901.68 = 42,715.38/x
  3. Step 3: Cross multiply
    74,568.63x = 102,901.68 × 42,715.38
  4. Step 4: Simplify right side
    74,568.63x = 4,395,484,363.84
  5. Step 5: Solve for x
    x = 4,395,484,363.84/74,568.63
  6. Step 6: Final answer
    x = 58,945.49

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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.