Home / 88,137.48-121,629.71-47,851.25

Finding the Fourth Proportional to 88,137.48, 121,629.71 and 47,851.25

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Solution

The fourth proportional to 88,137.48, 121,629.71 and 47,851.25 is: 66,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,137.48 : 121,629.71 = 47,851.25 : x
  2. Step 2: Convert to fraction form
    88,137.48/121,629.71 = 47,851.25/x
  3. Step 3: Cross multiply
    88,137.48x = 121,629.71 × 47,851.25
  4. Step 4: Simplify right side
    88,137.48x = 5,820,132,813.23
  5. Step 5: Solve for x
    x = 5,820,132,813.23/88,137.48
  6. Step 6: Final answer
    x = 66,034.71

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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.