Home / 84,165.60-116,099.55-53,940.18

Finding the Fourth Proportional to 84,165.60, 116,099.55 and 53,940.18

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Solution

The fourth proportional to 84,165.60, 116,099.55 and 53,940.18 is: 74,406.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,165.60 : 116,099.55 = 53,940.18 : x
  2. Step 2: Convert to fraction form
    84,165.60/116,099.55 = 53,940.18/x
  3. Step 3: Cross multiply
    84,165.60x = 116,099.55 × 53,940.18
  4. Step 4: Simplify right side
    84,165.60x = 6,262,430,624.92
  5. Step 5: Solve for x
    x = 6,262,430,624.92/84,165.60
  6. Step 6: Final answer
    x = 74,406.06

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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.