Home / 93,452.22-128,961.54-85,928.94

Finding the Fourth Proportional to 93,452.22, 128,961.54 and 85,928.94

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Solution

The fourth proportional to 93,452.22, 128,961.54 and 85,928.94 is: 118,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,452.22 : 128,961.54 = 85,928.94 : x
  2. Step 2: Convert to fraction form
    93,452.22/128,961.54 = 85,928.94/x
  3. Step 3: Cross multiply
    93,452.22x = 128,961.54 × 85,928.94
  4. Step 4: Simplify right side
    93,452.22x = 11,081,528,432.97
  5. Step 5: Solve for x
    x = 11,081,528,432.97/93,452.22
  6. Step 6: Final answer
    x = 118,579.62

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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.