Home / 89,065.44-122,911.70-48,778.47

Finding the Fourth Proportional to 89,065.44, 122,911.70 and 48,778.47

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Solution

The fourth proportional to 89,065.44, 122,911.70 and 48,778.47 is: 67,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,065.44 : 122,911.70 = 48,778.47 : x
  2. Step 2: Convert to fraction form
    89,065.44/122,911.70 = 48,778.47/x
  3. Step 3: Cross multiply
    89,065.44x = 122,911.70 × 48,778.47
  4. Step 4: Simplify right side
    89,065.44x = 5,995,444,427.21
  5. Step 5: Solve for x
    x = 5,995,444,427.21/89,065.44
  6. Step 6: Final answer
    x = 67,315.05

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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.