Home / 61,943.40-92,886.70-19,815.28

Finding the Fourth Proportional to 61,943.40, 92,886.70 and 19,815.28

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Solution

The fourth proportional to 61,943.40, 92,886.70 and 19,815.28 is: 29,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,943.40 : 92,886.70 = 19,815.28 : x
  2. Step 2: Convert to fraction form
    61,943.40/92,886.70 = 19,815.28/x
  3. Step 3: Cross multiply
    61,943.40x = 92,886.70 × 19,815.28
  4. Step 4: Simplify right side
    61,943.40x = 1,840,575,968.78
  5. Step 5: Solve for x
    x = 1,840,575,968.78/61,943.40
  6. Step 6: Final answer
    x = 29,713.84

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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.