Home / 84,719.60-117,065.40-60,804.80

Finding the Fourth Proportional to 84,719.60, 117,065.40 and 60,804.80

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Solution

The fourth proportional to 84,719.60, 117,065.40 and 60,804.80 is: 84,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,719.60 : 117,065.40 = 60,804.80 : x
  2. Step 2: Convert to fraction form
    84,719.60/117,065.40 = 60,804.80/x
  3. Step 3: Cross multiply
    84,719.60x = 117,065.40 × 60,804.80
  4. Step 4: Simplify right side
    84,719.60x = 7,118,138,233.92
  5. Step 5: Solve for x
    x = 7,118,138,233.92/84,719.60
  6. Step 6: Final answer
    x = 84,019.97

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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.