Home / 94,311.09-130,147.16-51,870.33

Finding the Fourth Proportional to 94,311.09, 130,147.16 and 51,870.33

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Solution

The fourth proportional to 94,311.09, 130,147.16 and 51,870.33 is: 71,579.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,311.09 : 130,147.16 = 51,870.33 : x
  2. Step 2: Convert to fraction form
    94,311.09/130,147.16 = 51,870.33/x
  3. Step 3: Cross multiply
    94,311.09x = 130,147.16 × 51,870.33
  4. Step 4: Simplify right side
    94,311.09x = 6,750,775,878.41
  5. Step 5: Solve for x
    x = 6,750,775,878.41/94,311.09
  6. Step 6: Final answer
    x = 71,579.87

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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.