Home / 93,215.72-128,639.68-50,774.16

Finding the Fourth Proportional to 93,215.72, 128,639.68 and 50,774.16

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Solution

The fourth proportional to 93,215.72, 128,639.68 and 50,774.16 is: 70,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,215.72 : 128,639.68 = 50,774.16 : x
  2. Step 2: Convert to fraction form
    93,215.72/128,639.68 = 50,774.16/x
  3. Step 3: Cross multiply
    93,215.72x = 128,639.68 × 50,774.16
  4. Step 4: Simplify right side
    93,215.72x = 6,531,571,694.67
  5. Step 5: Solve for x
    x = 6,531,571,694.67/93,215.72
  6. Step 6: Final answer
    x = 70,069.42

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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.