Home / 61,490.56-92,236.36-19,937.52

Finding the Fourth Proportional to 61,490.56, 92,236.36 and 19,937.52

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Solution

The fourth proportional to 61,490.56, 92,236.36 and 19,937.52 is: 29,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,490.56 : 92,236.36 = 19,937.52 : x
  2. Step 2: Convert to fraction form
    61,490.56/92,236.36 = 19,937.52/x
  3. Step 3: Cross multiply
    61,490.56x = 92,236.36 × 19,937.52
  4. Step 4: Simplify right side
    61,490.56x = 1,838,964,272.23
  5. Step 5: Solve for x
    x = 1,838,964,272.23/61,490.56
  6. Step 6: Final answer
    x = 29,906.45

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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.