Home / 65,975.05-98,987.46-39,698.23

Finding the Fourth Proportional to 65,975.05, 98,987.46 and 39,698.23

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Solution

The fourth proportional to 65,975.05, 98,987.46 and 39,698.23 is: 59,562.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,975.05 : 98,987.46 = 39,698.23 : x
  2. Step 2: Convert to fraction form
    65,975.05/98,987.46 = 39,698.23/x
  3. Step 3: Cross multiply
    65,975.05x = 98,987.46 × 39,698.23
  4. Step 4: Simplify right side
    65,975.05x = 3,929,626,954.20
  5. Step 5: Solve for x
    x = 3,929,626,954.20/65,975.05
  6. Step 6: Final answer
    x = 59,562.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.