Home / 61,943.86-92,921.92-19,813.36

Finding the Fourth Proportional to 61,943.86, 92,921.92 and 19,813.36

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Solution

The fourth proportional to 61,943.86, 92,921.92 and 19,813.36 is: 29,722.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,943.86 : 92,921.92 = 19,813.36 : x
  2. Step 2: Convert to fraction form
    61,943.86/92,921.92 = 19,813.36/x
  3. Step 3: Cross multiply
    61,943.86x = 92,921.92 × 19,813.36
  4. Step 4: Simplify right side
    61,943.86x = 1,841,095,345.24
  5. Step 5: Solve for x
    x = 1,841,095,345.24/61,943.86
  6. Step 6: Final answer
    x = 29,722.00

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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.