Home / 84,858.45-117,091.66-49,041.55

Finding the Fourth Proportional to 84,858.45, 117,091.66 and 49,041.55

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Solution

The fourth proportional to 84,858.45, 117,091.66 and 49,041.55 is: 67,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,858.45 : 117,091.66 = 49,041.55 : x
  2. Step 2: Convert to fraction form
    84,858.45/117,091.66 = 49,041.55/x
  3. Step 3: Cross multiply
    84,858.45x = 117,091.66 × 49,041.55
  4. Step 4: Simplify right side
    84,858.45x = 5,742,356,614.19
  5. Step 5: Solve for x
    x = 5,742,356,614.19/84,858.45
  6. Step 6: Final answer
    x = 67,669.83

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1.5x scale

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.