Home / 70,942.01-97,895.57-39,110.85

Finding the Fourth Proportional to 70,942.01, 97,895.57 and 39,110.85

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Solution

The fourth proportional to 70,942.01, 97,895.57 and 39,110.85 is: 53,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,942.01 : 97,895.57 = 39,110.85 : x
  2. Step 2: Convert to fraction form
    70,942.01/97,895.57 = 39,110.85/x
  3. Step 3: Cross multiply
    70,942.01x = 97,895.57 × 39,110.85
  4. Step 4: Simplify right side
    70,942.01x = 3,828,778,758.38
  5. Step 5: Solve for x
    x = 3,828,778,758.38/70,942.01
  6. Step 6: Final answer
    x = 53,970.55

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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.