Home / 61,417.20-92,095.56-19,858.80

Finding the Fourth Proportional to 61,417.20, 92,095.56 and 19,858.80

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Solution

The fourth proportional to 61,417.20, 92,095.56 and 19,858.80 is: 29,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,417.20 : 92,095.56 = 19,858.80 : x
  2. Step 2: Convert to fraction form
    61,417.20/92,095.56 = 19,858.80/x
  3. Step 3: Cross multiply
    61,417.20x = 92,095.56 × 19,858.80
  4. Step 4: Simplify right side
    61,417.20x = 1,828,907,306.93
  5. Step 5: Solve for x
    x = 1,828,907,306.93/61,417.20
  6. Step 6: Final answer
    x = 29,778.42

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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.