Home / 74,448.96-102,736.80-42,617.04

Finding the Fourth Proportional to 74,448.96, 102,736.80 and 42,617.04

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Solution

The fourth proportional to 74,448.96, 102,736.80 and 42,617.04 is: 58,809.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,448.96 : 102,736.80 = 42,617.04 : x
  2. Step 2: Convert to fraction form
    74,448.96/102,736.80 = 42,617.04/x
  3. Step 3: Cross multiply
    74,448.96x = 102,736.80 × 42,617.04
  4. Step 4: Simplify right side
    74,448.96x = 4,378,338,315.07
  5. Step 5: Solve for x
    x = 4,378,338,315.07/74,448.96
  6. Step 6: Final answer
    x = 58,809.93

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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.