Home / 70,690.23-97,558.11-40,485.06

Finding the Fourth Proportional to 70,690.23, 97,558.11 and 40,485.06

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Solution

The fourth proportional to 70,690.23, 97,558.11 and 40,485.06 is: 55,872.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,690.23 : 97,558.11 = 40,485.06 : x
  2. Step 2: Convert to fraction form
    70,690.23/97,558.11 = 40,485.06/x
  3. Step 3: Cross multiply
    70,690.23x = 97,558.11 × 40,485.06
  4. Step 4: Simplify right side
    70,690.23x = 3,949,645,936.84
  5. Step 5: Solve for x
    x = 3,949,645,936.84/70,690.23
  6. Step 6: Final answer
    x = 55,872.59

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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.