Home / 93,036.62-128,419.32-69,195.59

Finding the Fourth Proportional to 93,036.62, 128,419.32 and 69,195.59

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Solution

The fourth proportional to 93,036.62, 128,419.32 and 69,195.59 is: 95,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,036.62 : 128,419.32 = 69,195.59 : x
  2. Step 2: Convert to fraction form
    93,036.62/128,419.32 = 69,195.59/x
  3. Step 3: Cross multiply
    93,036.62x = 128,419.32 × 69,195.59
  4. Step 4: Simplify right side
    93,036.62x = 8,886,049,972.70
  5. Step 5: Solve for x
    x = 8,886,049,972.70/93,036.62
  6. Step 6: Final answer
    x = 95,511.32

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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.