Home / 89,071.70-122,920.94-50,830.49

Finding the Fourth Proportional to 89,071.70, 122,920.94 and 50,830.49

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Solution

The fourth proportional to 89,071.70, 122,920.94 and 50,830.49 is: 70,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,071.70 : 122,920.94 = 50,830.49 : x
  2. Step 2: Convert to fraction form
    89,071.70/122,920.94 = 50,830.49/x
  3. Step 3: Cross multiply
    89,071.70x = 122,920.94 × 50,830.49
  4. Step 4: Simplify right side
    89,071.70x = 6,248,130,742.70
  5. Step 5: Solve for x
    x = 6,248,130,742.70/89,071.70
  6. Step 6: Final answer
    x = 70,147.20

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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.