Home / 70,558.64-97,377.85-40,348.43

Finding the Fourth Proportional to 70,558.64, 97,377.85 and 40,348.43

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Solution

The fourth proportional to 70,558.64, 97,377.85 and 40,348.43 is: 55,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,558.64 : 97,377.85 = 40,348.43 : x
  2. Step 2: Convert to fraction form
    70,558.64/97,377.85 = 40,348.43/x
  3. Step 3: Cross multiply
    70,558.64x = 97,377.85 × 40,348.43
  4. Step 4: Simplify right side
    70,558.64x = 3,929,043,066.03
  5. Step 5: Solve for x
    x = 3,929,043,066.03/70,558.64
  6. Step 6: Final answer
    x = 55,684.79

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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.