Home / 81,531.55-122,284.23-22,353.49

Finding the Fourth Proportional to 81,531.55, 122,284.23 and 22,353.49

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Solution

The fourth proportional to 81,531.55, 122,284.23 and 22,353.49 is: 33,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,531.55 : 122,284.23 = 22,353.49 : x
  2. Step 2: Convert to fraction form
    81,531.55/122,284.23 = 22,353.49/x
  3. Step 3: Cross multiply
    81,531.55x = 122,284.23 × 22,353.49
  4. Step 4: Simplify right side
    81,531.55x = 2,733,479,312.46
  5. Step 5: Solve for x
    x = 2,733,479,312.46/81,531.55
  6. Step 6: Final answer
    x = 33,526.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.