Home / 93,021.30-128,378.25-52,736.94

Finding the Fourth Proportional to 93,021.30, 128,378.25 and 52,736.94

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Solution

The fourth proportional to 93,021.30, 128,378.25 and 52,736.94 is: 72,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,021.30 : 128,378.25 = 52,736.94 : x
  2. Step 2: Convert to fraction form
    93,021.30/128,378.25 = 52,736.94/x
  3. Step 3: Cross multiply
    93,021.30x = 128,378.25 × 52,736.94
  4. Step 4: Simplify right side
    93,021.30x = 6,770,276,067.56
  5. Step 5: Solve for x
    x = 6,770,276,067.56/93,021.30
  6. Step 6: Final answer
    x = 72,782.00

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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.