Home / 84,124.64-116,091.78-48,316.97

Finding the Fourth Proportional to 84,124.64, 116,091.78 and 48,316.97

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Solution

The fourth proportional to 84,124.64, 116,091.78 and 48,316.97 is: 66,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,124.64 : 116,091.78 = 48,316.97 : x
  2. Step 2: Convert to fraction form
    84,124.64/116,091.78 = 48,316.97/x
  3. Step 3: Cross multiply
    84,124.64x = 116,091.78 × 48,316.97
  4. Step 4: Simplify right side
    84,124.64x = 5,609,203,051.51
  5. Step 5: Solve for x
    x = 5,609,203,051.51/84,124.64
  6. Step 6: Final answer
    x = 66,677.29

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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.