Home / 70,860.06-97,786.98-39,029.04

Finding the Fourth Proportional to 70,860.06, 97,786.98 and 39,029.04

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Solution

The fourth proportional to 70,860.06, 97,786.98 and 39,029.04 is: 53,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,860.06 : 97,786.98 = 39,029.04 : x
  2. Step 2: Convert to fraction form
    70,860.06/97,786.98 = 39,029.04/x
  3. Step 3: Cross multiply
    70,860.06x = 97,786.98 × 39,029.04
  4. Step 4: Simplify right side
    70,860.06x = 3,816,531,953.90
  5. Step 5: Solve for x
    x = 3,816,531,953.90/70,860.06
  6. Step 6: Final answer
    x = 53,860.13

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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.