Home / 89,033.76-122,868.09-48,746.88

Finding the Fourth Proportional to 89,033.76, 122,868.09 and 48,746.88

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Solution

The fourth proportional to 89,033.76, 122,868.09 and 48,746.88 is: 67,271.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,033.76 : 122,868.09 = 48,746.88 : x
  2. Step 2: Convert to fraction form
    89,033.76/122,868.09 = 48,746.88/x
  3. Step 3: Cross multiply
    89,033.76x = 122,868.09 × 48,746.88
  4. Step 4: Simplify right side
    89,033.76x = 5,989,436,039.06
  5. Step 5: Solve for x
    x = 5,989,436,039.06/89,033.76
  6. Step 6: Final answer
    x = 67,271.52

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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.