Home / 104,681.22-144,455.92-56,934.61

Finding the Fourth Proportional to 104,681.22, 144,455.92 and 56,934.61

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Solution

The fourth proportional to 104,681.22, 144,455.92 and 56,934.61 is: 78,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,681.22 : 144,455.92 = 56,934.61 : x
  2. Step 2: Convert to fraction form
    104,681.22/144,455.92 = 56,934.61/x
  3. Step 3: Cross multiply
    104,681.22x = 144,455.92 × 56,934.61
  4. Step 4: Simplify right side
    104,681.22x = 8,224,541,467.39
  5. Step 5: Solve for x
    x = 8,224,541,467.39/104,681.22
  6. Step 6: Final answer
    x = 78,567.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.