Home / 61,690.23-92,573.62-28,415.03

Finding the Fourth Proportional to 61,690.23, 92,573.62 and 28,415.03

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Solution

The fourth proportional to 61,690.23, 92,573.62 and 28,415.03 is: 42,640.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,690.23 : 92,573.62 = 28,415.03 : x
  2. Step 2: Convert to fraction form
    61,690.23/92,573.62 = 28,415.03/x
  3. Step 3: Cross multiply
    61,690.23x = 92,573.62 × 28,415.03
  4. Step 4: Simplify right side
    61,690.23x = 2,630,481,655.60
  5. Step 5: Solve for x
    x = 2,630,481,655.60/61,690.23
  6. Step 6: Final answer
    x = 42,640.17

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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.