Home / 61,625.05-85,040.61-34,767.20

Finding the Fourth Proportional to 61,625.05, 85,040.61 and 34,767.20

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Solution

The fourth proportional to 61,625.05, 85,040.61 and 34,767.20 is: 47,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,625.05 : 85,040.61 = 34,767.20 : x
  2. Step 2: Convert to fraction form
    61,625.05/85,040.61 = 34,767.20/x
  3. Step 3: Cross multiply
    61,625.05x = 85,040.61 × 34,767.20
  4. Step 4: Simplify right side
    61,625.05x = 2,956,623,895.99
  5. Step 5: Solve for x
    x = 2,956,623,895.99/61,625.05
  6. Step 6: Final answer
    x = 47,977.63

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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.