Home / 55,611.59-76,743.99-30,461.09

Finding the Fourth Proportional to 55,611.59, 76,743.99 and 30,461.09

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Solution

The fourth proportional to 55,611.59, 76,743.99 and 30,461.09 is: 42,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,611.59 : 76,743.99 = 30,461.09 : x
  2. Step 2: Convert to fraction form
    55,611.59/76,743.99 = 30,461.09/x
  3. Step 3: Cross multiply
    55,611.59x = 76,743.99 × 30,461.09
  4. Step 4: Simplify right side
    55,611.59x = 2,337,705,202.63
  5. Step 5: Solve for x
    x = 2,337,705,202.63/55,611.59
  6. Step 6: Final answer
    x = 42,036.30

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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.