Home / 84,063.18-116,008.08-50,072.16

Finding the Fourth Proportional to 84,063.18, 116,008.08 and 50,072.16

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Solution

The fourth proportional to 84,063.18, 116,008.08 and 50,072.16 is: 69,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,063.18 : 116,008.08 = 50,072.16 : x
  2. Step 2: Convert to fraction form
    84,063.18/116,008.08 = 50,072.16/x
  3. Step 3: Cross multiply
    84,063.18x = 116,008.08 × 50,072.16
  4. Step 4: Simplify right side
    84,063.18x = 5,808,775,143.05
  5. Step 5: Solve for x
    x = 5,808,775,143.05/84,063.18
  6. Step 6: Final answer
    x = 69,100.11

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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.