Home / 86,522.15-129,783.23-36,589.30

Finding the Fourth Proportional to 86,522.15, 129,783.23 and 36,589.30

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Solution

The fourth proportional to 86,522.15, 129,783.23 and 36,589.30 is: 54,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,522.15 : 129,783.23 = 36,589.30 : x
  2. Step 2: Convert to fraction form
    86,522.15/129,783.23 = 36,589.30/x
  3. Step 3: Cross multiply
    86,522.15x = 129,783.23 × 36,589.30
  4. Step 4: Simplify right side
    86,522.15x = 4,748,677,537.44
  5. Step 5: Solve for x
    x = 4,748,677,537.44/86,522.15
  6. Step 6: Final answer
    x = 54,883.95

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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.