Home / 98,643.87-136,136.88-60,403.23

Finding the Fourth Proportional to 98,643.87, 136,136.88 and 60,403.23

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Solution

The fourth proportional to 98,643.87, 136,136.88 and 60,403.23 is: 83,361.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,643.87 : 136,136.88 = 60,403.23 : x
  2. Step 2: Convert to fraction form
    98,643.87/136,136.88 = 60,403.23/x
  3. Step 3: Cross multiply
    98,643.87x = 136,136.88 × 60,403.23
  4. Step 4: Simplify right side
    98,643.87x = 8,223,107,274.12
  5. Step 5: Solve for x
    x = 8,223,107,274.12/98,643.87
  6. Step 6: Final answer
    x = 83,361.56

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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.