Home / 78,596.02-117,857.83-25,278.12

Finding the Fourth Proportional to 78,596.02, 117,857.83 and 25,278.12

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Solution

The fourth proportional to 78,596.02, 117,857.83 and 25,278.12 is: 37,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,596.02 : 117,857.83 = 25,278.12 : x
  2. Step 2: Convert to fraction form
    78,596.02/117,857.83 = 25,278.12/x
  3. Step 3: Cross multiply
    78,596.02x = 117,857.83 × 25,278.12
  4. Step 4: Simplify right side
    78,596.02x = 2,979,224,243.29
  5. Step 5: Solve for x
    x = 2,979,224,243.29/78,596.02
  6. Step 6: Final answer
    x = 37,905.54

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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.