Home / 55,380.94-76,425.73-34,172.51

Finding the Fourth Proportional to 55,380.94, 76,425.73 and 34,172.51

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Solution

The fourth proportional to 55,380.94, 76,425.73 and 34,172.51 is: 47,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,380.94 : 76,425.73 = 34,172.51 : x
  2. Step 2: Convert to fraction form
    55,380.94/76,425.73 = 34,172.51/x
  3. Step 3: Cross multiply
    55,380.94x = 76,425.73 × 34,172.51
  4. Step 4: Simplify right side
    55,380.94x = 2,611,658,555.12
  5. Step 5: Solve for x
    x = 2,611,658,555.12/55,380.94
  6. Step 6: Final answer
    x = 47,158.08

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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.