Home / 65,400.41-98,103.35-39,047.06

Finding the Fourth Proportional to 65,400.41, 98,103.35 and 39,047.06

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Solution

The fourth proportional to 65,400.41, 98,103.35 and 39,047.06 is: 58,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,400.41 : 98,103.35 = 39,047.06 : x
  2. Step 2: Convert to fraction form
    65,400.41/98,103.35 = 39,047.06/x
  3. Step 3: Cross multiply
    65,400.41x = 98,103.35 × 39,047.06
  4. Step 4: Simplify right side
    65,400.41x = 3,830,647,736.53
  5. Step 5: Solve for x
    x = 3,830,647,736.53/65,400.41
  6. Step 6: Final answer
    x = 58,572.23

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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.