Home / 74,618.40-111,927.72-30,246.06

Finding the Fourth Proportional to 74,618.40, 111,927.72 and 30,246.06

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Solution

The fourth proportional to 74,618.40, 111,927.72 and 30,246.06 is: 45,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,618.40 : 111,927.72 = 30,246.06 : x
  2. Step 2: Convert to fraction form
    74,618.40/111,927.72 = 30,246.06/x
  3. Step 3: Cross multiply
    74,618.40x = 111,927.72 × 30,246.06
  4. Step 4: Simplify right side
    74,618.40x = 3,385,372,534.78
  5. Step 5: Solve for x
    x = 3,385,372,534.78/74,618.40
  6. Step 6: Final answer
    x = 45,369.14

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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.