Home / 93,420.77-128,919.44-50,976.56

Finding the Fourth Proportional to 93,420.77, 128,919.44 and 50,976.56

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Solution

The fourth proportional to 93,420.77, 128,919.44 and 50,976.56 is: 70,346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,420.77 : 128,919.44 = 50,976.56 : x
  2. Step 2: Convert to fraction form
    93,420.77/128,919.44 = 50,976.56/x
  3. Step 3: Cross multiply
    93,420.77x = 128,919.44 × 50,976.56
  4. Step 4: Simplify right side
    93,420.77x = 6,571,868,668.85
  5. Step 5: Solve for x
    x = 6,571,868,668.85/93,420.77
  6. Step 6: Final answer
    x = 70,346.98

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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.