Home / 103,836.63-143,294.58-56,090.01

Finding the Fourth Proportional to 103,836.63, 143,294.58 and 56,090.01

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Solution

The fourth proportional to 103,836.63, 143,294.58 and 56,090.01 is: 77,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,836.63 : 143,294.58 = 56,090.01 : x
  2. Step 2: Convert to fraction form
    103,836.63/143,294.58 = 56,090.01/x
  3. Step 3: Cross multiply
    103,836.63x = 143,294.58 × 56,090.01
  4. Step 4: Simplify right side
    103,836.63x = 8,037,394,425.15
  5. Step 5: Solve for x
    x = 8,037,394,425.15/103,836.63
  6. Step 6: Final answer
    x = 77,404.23

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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.