Home / 61,345.22-92,017.86-19,228.59

Finding the Fourth Proportional to 61,345.22, 92,017.86 and 19,228.59

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Solution

The fourth proportional to 61,345.22, 92,017.86 and 19,228.59 is: 28,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,345.22 : 92,017.86 = 19,228.59 : x
  2. Step 2: Convert to fraction form
    61,345.22/92,017.86 = 19,228.59/x
  3. Step 3: Cross multiply
    61,345.22x = 92,017.86 × 19,228.59
  4. Step 4: Simplify right side
    61,345.22x = 1,769,373,702.62
  5. Step 5: Solve for x
    x = 1,769,373,702.62/61,345.22
  6. Step 6: Final answer
    x = 28,842.89

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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.