Home / 78,382.02-108,180.96-44,392.38

Finding the Fourth Proportional to 78,382.02, 108,180.96 and 44,392.38

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Solution

The fourth proportional to 78,382.02, 108,180.96 and 44,392.38 is: 61,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,382.02 : 108,180.96 = 44,392.38 : x
  2. Step 2: Convert to fraction form
    78,382.02/108,180.96 = 44,392.38/x
  3. Step 3: Cross multiply
    78,382.02x = 108,180.96 × 44,392.38
  4. Step 4: Simplify right side
    78,382.02x = 4,802,410,285.08
  5. Step 5: Solve for x
    x = 4,802,410,285.08/78,382.02
  6. Step 6: Final answer
    x = 61,269.28

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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.