Home / 98,035.54-135,289.03-55,594.07

Finding the Fourth Proportional to 98,035.54, 135,289.03 and 55,594.07

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Solution

The fourth proportional to 98,035.54, 135,289.03 and 55,594.07 is: 76,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,035.54 : 135,289.03 = 55,594.07 : x
  2. Step 2: Convert to fraction form
    98,035.54/135,289.03 = 55,594.07/x
  3. Step 3: Cross multiply
    98,035.54x = 135,289.03 × 55,594.07
  4. Step 4: Simplify right side
    98,035.54x = 7,521,268,112.15
  5. Step 5: Solve for x
    x = 7,521,268,112.15/98,035.54
  6. Step 6: Final answer
    x = 76,719.81

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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.