Home / 74,066.29-102,211.05-42,234.51

Finding the Fourth Proportional to 74,066.29, 102,211.05 and 42,234.51

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Solution

The fourth proportional to 74,066.29, 102,211.05 and 42,234.51 is: 58,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,066.29 : 102,211.05 = 42,234.51 : x
  2. Step 2: Convert to fraction form
    74,066.29/102,211.05 = 42,234.51/x
  3. Step 3: Cross multiply
    74,066.29x = 102,211.05 × 42,234.51
  4. Step 4: Simplify right side
    74,066.29x = 4,316,833,146.64
  5. Step 5: Solve for x
    x = 4,316,833,146.64/74,066.29
  6. Step 6: Final answer
    x = 58,283.37

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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.