Home / 93,217.14-128,656.32-54,974.34

Finding the Fourth Proportional to 93,217.14, 128,656.32 and 54,974.34

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Solution

The fourth proportional to 93,217.14, 128,656.32 and 54,974.34 is: 75,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,217.14 : 128,656.32 = 54,974.34 : x
  2. Step 2: Convert to fraction form
    93,217.14/128,656.32 = 54,974.34/x
  3. Step 3: Cross multiply
    93,217.14x = 128,656.32 × 54,974.34
  4. Step 4: Simplify right side
    93,217.14x = 7,072,796,278.83
  5. Step 5: Solve for x
    x = 7,072,796,278.83/93,217.14
  6. Step 6: Final answer
    x = 75,874.42

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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.