Home / 70,859.17-97,790.09-39,028.06

Finding the Fourth Proportional to 70,859.17, 97,790.09 and 39,028.06

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Solution

The fourth proportional to 70,859.17, 97,790.09 and 39,028.06 is: 53,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,859.17 : 97,790.09 = 39,028.06 : x
  2. Step 2: Convert to fraction form
    70,859.17/97,790.09 = 39,028.06/x
  3. Step 3: Cross multiply
    70,859.17x = 97,790.09 × 39,028.06
  4. Step 4: Simplify right side
    70,859.17x = 3,816,557,499.93
  5. Step 5: Solve for x
    x = 3,816,557,499.93/70,859.17
  6. Step 6: Final answer
    x = 53,861.17

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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.