Home / 89,936.08-124,116-49,655.60

Finding the Fourth Proportional to 89,936.08, 124,116 and 49,655.60

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Solution

The fourth proportional to 89,936.08, 124,116 and 49,655.60 is: 68,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,936.08 : 124,116 = 49,655.60 : x
  2. Step 2: Convert to fraction form
    89,936.08/124,116 = 49,655.60/x
  3. Step 3: Cross multiply
    89,936.08x = 124,116 × 49,655.60
  4. Step 4: Simplify right side
    89,936.08x = 6,163,054,449.60
  5. Step 5: Solve for x
    x = 6,163,054,449.60/89,936.08
  6. Step 6: Final answer
    x = 68,527.05

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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.