Home / 93,291.48-128,743.56-50,850.72

Finding the Fourth Proportional to 93,291.48, 128,743.56 and 50,850.72

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Solution

The fourth proportional to 93,291.48, 128,743.56 and 50,850.72 is: 70,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,291.48 : 128,743.56 = 50,850.72 : x
  2. Step 2: Convert to fraction form
    93,291.48/128,743.56 = 50,850.72/x
  3. Step 3: Cross multiply
    93,291.48x = 128,743.56 × 50,850.72
  4. Step 4: Simplify right side
    93,291.48x = 6,546,702,721.36
  5. Step 5: Solve for x
    x = 6,546,702,721.36/93,291.48
  6. Step 6: Final answer
    x = 70,174.71

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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.