Home / 93,087.02-128,460.39-50,645.54

Finding the Fourth Proportional to 93,087.02, 128,460.39 and 50,645.54

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Solution

The fourth proportional to 93,087.02, 128,460.39 and 50,645.54 is: 69,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,087.02 : 128,460.39 = 50,645.54 : x
  2. Step 2: Convert to fraction form
    93,087.02/128,460.39 = 50,645.54/x
  3. Step 3: Cross multiply
    93,087.02x = 128,460.39 × 50,645.54
  4. Step 4: Simplify right side
    93,087.02x = 6,505,945,820.16
  5. Step 5: Solve for x
    x = 6,505,945,820.16/93,087.02
  6. Step 6: Final answer
    x = 69,891.01

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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.