Home / 78,276.25-108,021.23-44,284.06

Finding the Fourth Proportional to 78,276.25, 108,021.23 and 44,284.06

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Solution

The fourth proportional to 78,276.25, 108,021.23 and 44,284.06 is: 61,112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,276.25 : 108,021.23 = 44,284.06 : x
  2. Step 2: Convert to fraction form
    78,276.25/108,021.23 = 44,284.06/x
  3. Step 3: Cross multiply
    78,276.25x = 108,021.23 × 44,284.06
  4. Step 4: Simplify right side
    78,276.25x = 4,783,618,630.59
  5. Step 5: Solve for x
    x = 4,783,618,630.59/78,276.25
  6. Step 6: Final answer
    x = 61,112.01

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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.