Home / 61,720.21-92,583.51-19,603.59

Finding the Fourth Proportional to 61,720.21, 92,583.51 and 19,603.59

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Solution

The fourth proportional to 61,720.21, 92,583.51 and 19,603.59 is: 29,406.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,720.21 : 92,583.51 = 19,603.59 : x
  2. Step 2: Convert to fraction form
    61,720.21/92,583.51 = 19,603.59/x
  3. Step 3: Cross multiply
    61,720.21x = 92,583.51 × 19,603.59
  4. Step 4: Simplify right side
    61,720.21x = 1,814,968,750.10
  5. Step 5: Solve for x
    x = 1,814,968,750.10/61,720.21
  6. Step 6: Final answer
    x = 29,406.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.