Home / 69,203.76-95,501.40-40,137.76

Finding the Fourth Proportional to 69,203.76, 95,501.40 and 40,137.76

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Solution

The fourth proportional to 69,203.76, 95,501.40 and 40,137.76 is: 55,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,203.76 : 95,501.40 = 40,137.76 : x
  2. Step 2: Convert to fraction form
    69,203.76/95,501.40 = 40,137.76/x
  3. Step 3: Cross multiply
    69,203.76x = 95,501.40 × 40,137.76
  4. Step 4: Simplify right side
    69,203.76x = 3,833,212,272.86
  5. Step 5: Solve for x
    x = 3,833,212,272.86/69,203.76
  6. Step 6: Final answer
    x = 55,390.23

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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.