Home / 93,106.44-128,487.50-50,665.28

Finding the Fourth Proportional to 93,106.44, 128,487.50 and 50,665.28

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Solution

The fourth proportional to 93,106.44, 128,487.50 and 50,665.28 is: 69,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,106.44 : 128,487.50 = 50,665.28 : x
  2. Step 2: Convert to fraction form
    93,106.44/128,487.50 = 50,665.28/x
  3. Step 3: Cross multiply
    93,106.44x = 128,487.50 × 50,665.28
  4. Step 4: Simplify right side
    93,106.44x = 6,509,855,164
  5. Step 5: Solve for x
    x = 6,509,855,164/93,106.44
  6. Step 6: Final answer
    x = 69,918.42

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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.