Home / 86,326.73-129,611.25-44,237.06

Finding the Fourth Proportional to 86,326.73, 129,611.25 and 44,237.06

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Solution

The fourth proportional to 86,326.73, 129,611.25 and 44,237.06 is: 66,417.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,326.73 : 129,611.25 = 44,237.06 : x
  2. Step 2: Convert to fraction form
    86,326.73/129,611.25 = 44,237.06/x
  3. Step 3: Cross multiply
    86,326.73x = 129,611.25 × 44,237.06
  4. Step 4: Simplify right side
    86,326.73x = 5,733,620,642.93
  5. Step 5: Solve for x
    x = 5,733,620,642.93/86,326.73
  6. Step 6: Final answer
    x = 66,417.67

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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.