Home / 89,913.53-124,079.41-49,628.05

Finding the Fourth Proportional to 89,913.53, 124,079.41 and 49,628.05

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Solution

The fourth proportional to 89,913.53, 124,079.41 and 49,628.05 is: 68,486.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,913.53 : 124,079.41 = 49,628.05 : x
  2. Step 2: Convert to fraction form
    89,913.53/124,079.41 = 49,628.05/x
  3. Step 3: Cross multiply
    89,913.53x = 124,079.41 × 49,628.05
  4. Step 4: Simplify right side
    89,913.53x = 6,157,819,163.45
  5. Step 5: Solve for x
    x = 6,157,819,163.45/89,913.53
  6. Step 6: Final answer
    x = 68,486.01

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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.