Home / 43,180.87-64,773.63-13,601.02

Finding the Fourth Proportional to 43,180.87, 64,773.63 and 13,601.02

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Solution

The fourth proportional to 43,180.87, 64,773.63 and 13,601.02 is: 20,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,180.87 : 64,773.63 = 13,601.02 : x
  2. Step 2: Convert to fraction form
    43,180.87/64,773.63 = 13,601.02/x
  3. Step 3: Cross multiply
    43,180.87x = 64,773.63 × 13,601.02
  4. Step 4: Simplify right side
    43,180.87x = 880,987,437.10
  5. Step 5: Solve for x
    x = 880,987,437.10/43,180.87
  6. Step 6: Final answer
    x = 20,402.26

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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.