Home / 88,136.94-121,629.06-47,850.69

Finding the Fourth Proportional to 88,136.94, 121,629.06 and 47,850.69

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Solution

The fourth proportional to 88,136.94, 121,629.06 and 47,850.69 is: 66,034.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,136.94 : 121,629.06 = 47,850.69 : x
  2. Step 2: Convert to fraction form
    88,136.94/121,629.06 = 47,850.69/x
  3. Step 3: Cross multiply
    88,136.94x = 121,629.06 × 47,850.69
  4. Step 4: Simplify right side
    88,136.94x = 5,820,034,445.05
  5. Step 5: Solve for x
    x = 5,820,034,445.05/88,136.94
  6. Step 6: Final answer
    x = 66,034.00

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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.