Home / 89,511.47-123,523.37-49,225.23

Finding the Fourth Proportional to 89,511.47, 123,523.37 and 49,225.23

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Solution

The fourth proportional to 89,511.47, 123,523.37 and 49,225.23 is: 67,929.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,511.47 : 123,523.37 = 49,225.23 : x
  2. Step 2: Convert to fraction form
    89,511.47/123,523.37 = 49,225.23/x
  3. Step 3: Cross multiply
    89,511.47x = 123,523.37 × 49,225.23
  4. Step 4: Simplify right side
    89,511.47x = 6,080,466,859.14
  5. Step 5: Solve for x
    x = 6,080,466,859.14/89,511.47
  6. Step 6: Final answer
    x = 67,929.47

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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.