Home / 93,084.08-128,446.44-55,351.04

Finding the Fourth Proportional to 93,084.08, 128,446.44 and 55,351.04

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Solution

The fourth proportional to 93,084.08, 128,446.44 and 55,351.04 is: 76,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,084.08 : 128,446.44 = 55,351.04 : x
  2. Step 2: Convert to fraction form
    93,084.08/128,446.44 = 55,351.04/x
  3. Step 3: Cross multiply
    93,084.08x = 128,446.44 × 55,351.04
  4. Step 4: Simplify right side
    93,084.08x = 7,109,644,038.30
  5. Step 5: Solve for x
    x = 7,109,644,038.30/93,084.08
  6. Step 6: Final answer
    x = 76,378.73

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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.