Home / 70,923.08-97,878.22-39,091.90

Finding the Fourth Proportional to 70,923.08, 97,878.22 and 39,091.90

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Solution

The fourth proportional to 70,923.08, 97,878.22 and 39,091.90 is: 53,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,923.08 : 97,878.22 = 39,091.90 : x
  2. Step 2: Convert to fraction form
    70,923.08/97,878.22 = 39,091.90/x
  3. Step 3: Cross multiply
    70,923.08x = 97,878.22 × 39,091.90
  4. Step 4: Simplify right side
    70,923.08x = 3,826,245,588.42
  5. Step 5: Solve for x
    x = 3,826,245,588.42/70,923.08
  6. Step 6: Final answer
    x = 53,949.23

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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.