Home / 86,443.86-129,634.59-36,527.81

Finding the Fourth Proportional to 86,443.86, 129,634.59 and 36,527.81

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Solution

The fourth proportional to 86,443.86, 129,634.59 and 36,527.81 is: 54,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,443.86 : 129,634.59 = 36,527.81 : x
  2. Step 2: Convert to fraction form
    86,443.86/129,634.59 = 36,527.81/x
  3. Step 3: Cross multiply
    86,443.86x = 129,634.59 × 36,527.81
  4. Step 4: Simplify right side
    86,443.86x = 4,735,267,890.95
  5. Step 5: Solve for x
    x = 4,735,267,890.95/86,443.86
  6. Step 6: Final answer
    x = 54,778.53

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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.