Home / 74,581.32-102,914.10-41,040.84

Finding the Fourth Proportional to 74,581.32, 102,914.10 and 41,040.84

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Solution

The fourth proportional to 74,581.32, 102,914.10 and 41,040.84 is: 56,631.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,581.32 : 102,914.10 = 41,040.84 : x
  2. Step 2: Convert to fraction form
    74,581.32/102,914.10 = 41,040.84/x
  3. Step 3: Cross multiply
    74,581.32x = 102,914.10 × 41,040.84
  4. Step 4: Simplify right side
    74,581.32x = 4,223,681,111.84
  5. Step 5: Solve for x
    x = 4,223,681,111.84/74,581.32
  6. Step 6: Final answer
    x = 56,631.89

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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.