Home / 93,291.12-128,741.85-50,849.64

Finding the Fourth Proportional to 93,291.12, 128,741.85 and 50,849.64

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Solution

The fourth proportional to 93,291.12, 128,741.85 and 50,849.64 is: 70,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,291.12 : 128,741.85 = 50,849.64 : x
  2. Step 2: Convert to fraction form
    93,291.12/128,741.85 = 50,849.64/x
  3. Step 3: Cross multiply
    93,291.12x = 128,741.85 × 50,849.64
  4. Step 4: Simplify right side
    93,291.12x = 6,546,476,725.43
  5. Step 5: Solve for x
    x = 6,546,476,725.43/93,291.12
  6. Step 6: Final answer
    x = 70,172.56

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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.