Home / 74,623.75-103,068.26-49,429.51

Finding the Fourth Proportional to 74,623.75, 103,068.26 and 49,429.51

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Solution

The fourth proportional to 74,623.75, 103,068.26 and 49,429.51 is: 68,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,623.75 : 103,068.26 = 49,429.51 : x
  2. Step 2: Convert to fraction form
    74,623.75/103,068.26 = 49,429.51/x
  3. Step 3: Cross multiply
    74,623.75x = 103,068.26 × 49,429.51
  4. Step 4: Simplify right side
    74,623.75x = 5,094,613,588.35
  5. Step 5: Solve for x
    x = 5,094,613,588.35/74,623.75
  6. Step 6: Final answer
    x = 68,270.67

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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.