Home / 92,981.44-128,316.64-50,542.32

Finding the Fourth Proportional to 92,981.44, 128,316.64 and 50,542.32

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Solution

The fourth proportional to 92,981.44, 128,316.64 and 50,542.32 is: 69,749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,981.44 : 128,316.64 = 50,542.32 : x
  2. Step 2: Convert to fraction form
    92,981.44/128,316.64 = 50,542.32/x
  3. Step 3: Cross multiply
    92,981.44x = 128,316.64 × 50,542.32
  4. Step 4: Simplify right side
    92,981.44x = 6,485,420,680.20
  5. Step 5: Solve for x
    x = 6,485,420,680.20/92,981.44
  6. Step 6: Final answer
    x = 69,749.63

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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.