Home / 93,000.21-128,334.84-50,558.37

Finding the Fourth Proportional to 93,000.21, 128,334.84 and 50,558.37

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Solution

The fourth proportional to 93,000.21, 128,334.84 and 50,558.37 is: 69,767.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,000.21 : 128,334.84 = 50,558.37 : x
  2. Step 2: Convert to fraction form
    93,000.21/128,334.84 = 50,558.37/x
  3. Step 3: Cross multiply
    93,000.21x = 128,334.84 × 50,558.37
  4. Step 4: Simplify right side
    93,000.21x = 6,488,400,324.61
  5. Step 5: Solve for x
    x = 6,488,400,324.61/93,000.21
  6. Step 6: Final answer
    x = 69,767.59

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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.