Home / 98,564.15-135,975.61-60,325.40

Finding the Fourth Proportional to 98,564.15, 135,975.61 and 60,325.40

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Solution

The fourth proportional to 98,564.15, 135,975.61 and 60,325.40 is: 83,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,564.15 : 135,975.61 = 60,325.40 : x
  2. Step 2: Convert to fraction form
    98,564.15/135,975.61 = 60,325.40/x
  3. Step 3: Cross multiply
    98,564.15x = 135,975.61 × 60,325.40
  4. Step 4: Simplify right side
    98,564.15x = 8,202,783,478.84
  5. Step 5: Solve for x
    x = 8,202,783,478.84/98,564.15
  6. Step 6: Final answer
    x = 83,222.79

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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.