Home / 74,098.65-111,066.42-36,603.21

Finding the Fourth Proportional to 74,098.65, 111,066.42 and 36,603.21

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Solution

The fourth proportional to 74,098.65, 111,066.42 and 36,603.21 is: 54,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,098.65 : 111,066.42 = 36,603.21 : x
  2. Step 2: Convert to fraction form
    74,098.65/111,066.42 = 36,603.21/x
  3. Step 3: Cross multiply
    74,098.65x = 111,066.42 × 36,603.21
  4. Step 4: Simplify right side
    74,098.65x = 4,065,387,495.21
  5. Step 5: Solve for x
    x = 4,065,387,495.21/74,098.65
  6. Step 6: Final answer
    x = 54,864.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.