Home / 115,283.74-172,912.60-31,050.07

Finding the Fourth Proportional to 115,283.74, 172,912.60 and 31,050.07

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Solution

The fourth proportional to 115,283.74, 172,912.60 and 31,050.07 is: 46,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,283.74 : 172,912.60 = 31,050.07 : x
  2. Step 2: Convert to fraction form
    115,283.74/172,912.60 = 31,050.07/x
  3. Step 3: Cross multiply
    115,283.74x = 172,912.60 × 31,050.07
  4. Step 4: Simplify right side
    115,283.74x = 5,368,947,853.08
  5. Step 5: Solve for x
    x = 5,368,947,853.08/115,283.74
  6. Step 6: Final answer
    x = 46,571.60

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1.5x scale

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.