Home / 86,447.08-129,436.80-44,806.60

Finding the Fourth Proportional to 86,447.08, 129,436.80 and 44,806.60

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Solution

The fourth proportional to 86,447.08, 129,436.80 and 44,806.60 is: 67,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,447.08 : 129,436.80 = 44,806.60 : x
  2. Step 2: Convert to fraction form
    86,447.08/129,436.80 = 44,806.60/x
  3. Step 3: Cross multiply
    86,447.08x = 129,436.80 × 44,806.60
  4. Step 4: Simplify right side
    86,447.08x = 5,799,622,922.88
  5. Step 5: Solve for x
    x = 5,799,622,922.88/86,447.08
  6. Step 6: Final answer
    x = 67,088.71

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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.