Home / 70,410.33-97,175.30-40,188.72

Finding the Fourth Proportional to 70,410.33, 97,175.30 and 40,188.72

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Solution

The fourth proportional to 70,410.33, 97,175.30 and 40,188.72 is: 55,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,410.33 : 97,175.30 = 40,188.72 : x
  2. Step 2: Convert to fraction form
    70,410.33/97,175.30 = 40,188.72/x
  3. Step 3: Cross multiply
    70,410.33x = 97,175.30 × 40,188.72
  4. Step 4: Simplify right side
    70,410.33x = 3,905,351,086.08
  5. Step 5: Solve for x
    x = 3,905,351,086.08/70,410.33
  6. Step 6: Final answer
    x = 55,465.60

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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.