Home / 78,276.06-107,995.38-44,281.26

Finding the Fourth Proportional to 78,276.06, 107,995.38 and 44,281.26

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Solution

The fourth proportional to 78,276.06, 107,995.38 and 44,281.26 is: 61,093.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,276.06 : 107,995.38 = 44,281.26 : x
  2. Step 2: Convert to fraction form
    78,276.06/107,995.38 = 44,281.26/x
  3. Step 3: Cross multiply
    78,276.06x = 107,995.38 × 44,281.26
  4. Step 4: Simplify right side
    78,276.06x = 4,782,171,500.58
  5. Step 5: Solve for x
    x = 4,782,171,500.58/78,276.06
  6. Step 6: Final answer
    x = 61,093.67

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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.