Home / 88,270.92-121,813.51-51,993.45

Finding the Fourth Proportional to 88,270.92, 121,813.51 and 51,993.45

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Solution

The fourth proportional to 88,270.92, 121,813.51 and 51,993.45 is: 71,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,270.92 : 121,813.51 = 51,993.45 : x
  2. Step 2: Convert to fraction form
    88,270.92/121,813.51 = 51,993.45/x
  3. Step 3: Cross multiply
    88,270.92x = 121,813.51 × 51,993.45
  4. Step 4: Simplify right side
    88,270.92x = 6,333,504,641.51
  5. Step 5: Solve for x
    x = 6,333,504,641.51/88,270.92
  6. Step 6: Final answer
    x = 71,750.75

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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.