Home / 61,905.04-92,868.48-19,788.88

Finding the Fourth Proportional to 61,905.04, 92,868.48 and 19,788.88

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Solution

The fourth proportional to 61,905.04, 92,868.48 and 19,788.88 is: 29,686.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,905.04 : 92,868.48 = 19,788.88 : x
  2. Step 2: Convert to fraction form
    61,905.04/92,868.48 = 19,788.88/x
  3. Step 3: Cross multiply
    61,905.04x = 92,868.48 × 19,788.88
  4. Step 4: Simplify right side
    61,905.04x = 1,837,763,206.50
  5. Step 5: Solve for x
    x = 1,837,763,206.50/61,905.04
  6. Step 6: Final answer
    x = 29,686.81

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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.