Home / 89,049.04-122,880.36-51,325.84

Finding the Fourth Proportional to 89,049.04, 122,880.36 and 51,325.84

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Solution

The fourth proportional to 89,049.04, 122,880.36 and 51,325.84 is: 70,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,049.04 : 122,880.36 = 51,325.84 : x
  2. Step 2: Convert to fraction form
    89,049.04/122,880.36 = 51,325.84/x
  3. Step 3: Cross multiply
    89,049.04x = 122,880.36 × 51,325.84
  4. Step 4: Simplify right side
    89,049.04x = 6,306,937,696.50
  5. Step 5: Solve for x
    x = 6,306,937,696.50/89,049.04
  6. Step 6: Final answer
    x = 70,825.44

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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.