Home / 74,492.65-102,699.23-50,577.81

Finding the Fourth Proportional to 74,492.65, 102,699.23 and 50,577.81

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Solution

The fourth proportional to 74,492.65, 102,699.23 and 50,577.81 is: 69,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,492.65 : 102,699.23 = 50,577.81 : x
  2. Step 2: Convert to fraction form
    74,492.65/102,699.23 = 50,577.81/x
  3. Step 3: Cross multiply
    74,492.65x = 102,699.23 × 50,577.81
  4. Step 4: Simplify right side
    74,492.65x = 5,194,302,142.09
  5. Step 5: Solve for x
    x = 5,194,302,142.09/74,492.65
  6. Step 6: Final answer
    x = 69,729.06

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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.