Home / 56,809.20-85,116.60-36,008.40

Finding the Fourth Proportional to 56,809.20, 85,116.60 and 36,008.40

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Solution

The fourth proportional to 56,809.20, 85,116.60 and 36,008.40 is: 53,950.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,809.20 : 85,116.60 = 36,008.40 : x
  2. Step 2: Convert to fraction form
    56,809.20/85,116.60 = 36,008.40/x
  3. Step 3: Cross multiply
    56,809.20x = 85,116.60 × 36,008.40
  4. Step 4: Simplify right side
    56,809.20x = 3,064,912,579.44
  5. Step 5: Solve for x
    x = 3,064,912,579.44/56,809.20
  6. Step 6: Final answer
    x = 53,950.99

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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.