Home / 71,867.36-98,458.64-69,173.81

Finding the Fourth Proportional to 71,867.36, 98,458.64 and 69,173.81

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Solution

The fourth proportional to 71,867.36, 98,458.64 and 69,173.81 is: 94,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,867.36 : 98,458.64 = 69,173.81 : x
  2. Step 2: Convert to fraction form
    71,867.36/98,458.64 = 69,173.81/x
  3. Step 3: Cross multiply
    71,867.36x = 98,458.64 × 69,173.81
  4. Step 4: Simplify right side
    71,867.36x = 6,810,759,306.08
  5. Step 5: Solve for x
    x = 6,810,759,306.08/71,867.36
  6. Step 6: Final answer
    x = 94,768.46

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.