Home / 56,216.13-77,446.53-39,189.44

Finding the Fourth Proportional to 56,216.13, 77,446.53 and 39,189.44

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Solution

The fourth proportional to 56,216.13, 77,446.53 and 39,189.44 is: 53,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,216.13 : 77,446.53 = 39,189.44 : x
  2. Step 2: Convert to fraction form
    56,216.13/77,446.53 = 39,189.44/x
  3. Step 3: Cross multiply
    56,216.13x = 77,446.53 × 39,189.44
  4. Step 4: Simplify right side
    56,216.13x = 3,035,086,140.64
  5. Step 5: Solve for x
    x = 3,035,086,140.64/56,216.13
  6. Step 6: Final answer
    x = 53,989.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.