Home / 75,826.44-104,630.40-43,990.74

Finding the Fourth Proportional to 75,826.44, 104,630.40 and 43,990.74

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Solution

The fourth proportional to 75,826.44, 104,630.40 and 43,990.74 is: 60,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,826.44 : 104,630.40 = 43,990.74 : x
  2. Step 2: Convert to fraction form
    75,826.44/104,630.40 = 43,990.74/x
  3. Step 3: Cross multiply
    75,826.44x = 104,630.40 × 43,990.74
  4. Step 4: Simplify right side
    75,826.44x = 4,602,768,722.50
  5. Step 5: Solve for x
    x = 4,602,768,722.50/75,826.44
  6. Step 6: Final answer
    x = 60,701.37

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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.