Home / 92,896.08-128,196.63-50,455.50

Finding the Fourth Proportional to 92,896.08, 128,196.63 and 50,455.50

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Solution

The fourth proportional to 92,896.08, 128,196.63 and 50,455.50 is: 69,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,896.08 : 128,196.63 = 50,455.50 : x
  2. Step 2: Convert to fraction form
    92,896.08/128,196.63 = 50,455.50/x
  3. Step 3: Cross multiply
    92,896.08x = 128,196.63 × 50,455.50
  4. Step 4: Simplify right side
    92,896.08x = 6,468,225,064.97
  5. Step 5: Solve for x
    x = 6,468,225,064.97/92,896.08
  6. Step 6: Final answer
    x = 69,628.61

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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.