Home / 75,083.90-103,638.84-43,273.98

Finding the Fourth Proportional to 75,083.90, 103,638.84 and 43,273.98

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Solution

The fourth proportional to 75,083.90, 103,638.84 and 43,273.98 is: 59,731.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,083.90 : 103,638.84 = 43,273.98 : x
  2. Step 2: Convert to fraction form
    75,083.90/103,638.84 = 43,273.98/x
  3. Step 3: Cross multiply
    75,083.90x = 103,638.84 × 43,273.98
  4. Step 4: Simplify right side
    75,083.90x = 4,484,865,089.38
  5. Step 5: Solve for x
    x = 4,484,865,089.38/75,083.90
  6. Step 6: Final answer
    x = 59,731.38

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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.