Home / 93,000.20-128,334.83-50,558.36

Finding the Fourth Proportional to 93,000.20, 128,334.83 and 50,558.36

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Solution

The fourth proportional to 93,000.20, 128,334.83 and 50,558.36 is: 69,767.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,000.20 : 128,334.83 = 50,558.36 : x
  2. Step 2: Convert to fraction form
    93,000.20/128,334.83 = 50,558.36/x
  3. Step 3: Cross multiply
    93,000.20x = 128,334.83 × 50,558.36
  4. Step 4: Simplify right side
    93,000.20x = 6,488,397,641.21
  5. Step 5: Solve for x
    x = 6,488,397,641.21/93,000.20
  6. Step 6: Final answer
    x = 69,767.57

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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.