Home / 93,021.40-128,365.99-50,579.97

Finding the Fourth Proportional to 93,021.40, 128,365.99 and 50,579.97

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Solution

The fourth proportional to 93,021.40, 128,365.99 and 50,579.97 is: 69,798.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,021.40 : 128,365.99 = 50,579.97 : x
  2. Step 2: Convert to fraction form
    93,021.40/128,365.99 = 50,579.97/x
  3. Step 3: Cross multiply
    93,021.40x = 128,365.99 × 50,579.97
  4. Step 4: Simplify right side
    93,021.40x = 6,492,747,923.22
  5. Step 5: Solve for x
    x = 6,492,747,923.22/93,021.40
  6. Step 6: Final answer
    x = 69,798.43

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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.