Home / 61,983.52-92,981.43-19,853.02

Finding the Fourth Proportional to 61,983.52, 92,981.43 and 19,853.02

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Solution

The fourth proportional to 61,983.52, 92,981.43 and 19,853.02 is: 29,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,983.52 : 92,981.43 = 19,853.02 : x
  2. Step 2: Convert to fraction form
    61,983.52/92,981.43 = 19,853.02/x
  3. Step 3: Cross multiply
    61,983.52x = 92,981.43 × 19,853.02
  4. Step 4: Simplify right side
    61,983.52x = 1,845,962,189.42
  5. Step 5: Solve for x
    x = 1,845,962,189.42/61,983.52
  6. Step 6: Final answer
    x = 29,781.50

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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.