Home / 55,449.36-76,522.32-31,577.04

Finding the Fourth Proportional to 55,449.36, 76,522.32 and 31,577.04

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Solution

The fourth proportional to 55,449.36, 76,522.32 and 31,577.04 is: 43,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,449.36 : 76,522.32 = 31,577.04 : x
  2. Step 2: Convert to fraction form
    55,449.36/76,522.32 = 31,577.04/x
  3. Step 3: Cross multiply
    55,449.36x = 76,522.32 × 31,577.04
  4. Step 4: Simplify right side
    55,449.36x = 2,416,348,359.53
  5. Step 5: Solve for x
    x = 2,416,348,359.53/55,449.36
  6. Step 6: Final answer
    x = 43,577.57

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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.