Home / 84,316.36-116,380.80-55,656.94

Finding the Fourth Proportional to 84,316.36, 116,380.80 and 55,656.94

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Solution

The fourth proportional to 84,316.36, 116,380.80 and 55,656.94 is: 76,822.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,316.36 : 116,380.80 = 55,656.94 : x
  2. Step 2: Convert to fraction form
    84,316.36/116,380.80 = 55,656.94/x
  3. Step 3: Cross multiply
    84,316.36x = 116,380.80 × 55,656.94
  4. Step 4: Simplify right side
    84,316.36x = 6,477,399,202.75
  5. Step 5: Solve for x
    x = 6,477,399,202.75/84,316.36
  6. Step 6: Final answer
    x = 76,822.57

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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.