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Finding the Fourth Proportional to 70,504.81, 97,241.65 and 43,662.22

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Solution

The fourth proportional to 70,504.81, 97,241.65 and 43,662.22 is: 60,219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,504.81 : 97,241.65 = 43,662.22 : x
  2. Step 2: Convert to fraction form
    70,504.81/97,241.65 = 43,662.22/x
  3. Step 3: Cross multiply
    70,504.81x = 97,241.65 × 43,662.22
  4. Step 4: Simplify right side
    70,504.81x = 4,245,785,963.20
  5. Step 5: Solve for x
    x = 4,245,785,963.20/70,504.81
  6. Step 6: Final answer
    x = 60,219.81

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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.