Home / 67,281.35-100,886.98-31,733.12

Finding the Fourth Proportional to 67,281.35, 100,886.98 and 31,733.12

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Solution

The fourth proportional to 67,281.35, 100,886.98 and 31,733.12 is: 47,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,281.35 : 100,886.98 = 31,733.12 : x
  2. Step 2: Convert to fraction form
    67,281.35/100,886.98 = 31,733.12/x
  3. Step 3: Cross multiply
    67,281.35x = 100,886.98 × 31,733.12
  4. Step 4: Simplify right side
    67,281.35x = 3,201,458,642.78
  5. Step 5: Solve for x
    x = 3,201,458,642.78/67,281.35
  6. Step 6: Final answer
    x = 47,583.15

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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.