Home / 72,840.22-100,519.12-41,009.34

Finding the Fourth Proportional to 72,840.22, 100,519.12 and 41,009.34

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Solution

The fourth proportional to 72,840.22, 100,519.12 and 41,009.34 is: 56,592.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,840.22 : 100,519.12 = 41,009.34 : x
  2. Step 2: Convert to fraction form
    72,840.22/100,519.12 = 41,009.34/x
  3. Step 3: Cross multiply
    72,840.22x = 100,519.12 × 41,009.34
  4. Step 4: Simplify right side
    72,840.22x = 4,122,222,768.58
  5. Step 5: Solve for x
    x = 4,122,222,768.58/72,840.22
  6. Step 6: Final answer
    x = 56,592.67

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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.