Home / 75,065.56-103,627.96-43,228.31

Finding the Fourth Proportional to 75,065.56, 103,627.96 and 43,228.31

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Solution

The fourth proportional to 75,065.56, 103,627.96 and 43,228.31 is: 59,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,065.56 : 103,627.96 = 43,228.31 : x
  2. Step 2: Convert to fraction form
    75,065.56/103,627.96 = 43,228.31/x
  3. Step 3: Cross multiply
    75,065.56x = 103,627.96 × 43,228.31
  4. Step 4: Simplify right side
    75,065.56x = 4,479,660,953.34
  5. Step 5: Solve for x
    x = 4,479,660,953.34/75,065.56
  6. Step 6: Final answer
    x = 59,676.65

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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.