Home / 93,446.07-128,972.30-55,722.75

Finding the Fourth Proportional to 93,446.07, 128,972.30 and 55,722.75

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Solution

The fourth proportional to 93,446.07, 128,972.30 and 55,722.75 is: 76,907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,446.07 : 128,972.30 = 55,722.75 : x
  2. Step 2: Convert to fraction form
    93,446.07/128,972.30 = 55,722.75/x
  3. Step 3: Cross multiply
    93,446.07x = 128,972.30 × 55,722.75
  4. Step 4: Simplify right side
    93,446.07x = 7,186,690,951.21
  5. Step 5: Solve for x
    x = 7,186,690,951.21/93,446.07
  6. Step 6: Final answer
    x = 76,907.36

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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.