Home / 74,329.38-102,579.60-42,064.02

Finding the Fourth Proportional to 74,329.38, 102,579.60 and 42,064.02

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Solution

The fourth proportional to 74,329.38, 102,579.60 and 42,064.02 is: 58,051.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,329.38 : 102,579.60 = 42,064.02 : x
  2. Step 2: Convert to fraction form
    74,329.38/102,579.60 = 42,064.02/x
  3. Step 3: Cross multiply
    74,329.38x = 102,579.60 × 42,064.02
  4. Step 4: Simplify right side
    74,329.38x = 4,314,910,345.99
  5. Step 5: Solve for x
    x = 4,314,910,345.99/74,329.38
  6. Step 6: Final answer
    x = 58,051.21

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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.