Home / 104,426.76-144,109.21-56,680.11

Finding the Fourth Proportional to 104,426.76, 144,109.21 and 56,680.11

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Solution

The fourth proportional to 104,426.76, 144,109.21 and 56,680.11 is: 78,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.76 : 144,109.21 = 56,680.11 : x
  2. Step 2: Convert to fraction form
    104,426.76/144,109.21 = 56,680.11/x
  3. Step 3: Cross multiply
    104,426.76x = 144,109.21 × 56,680.11
  4. Step 4: Simplify right side
    104,426.76x = 8,168,125,733.11
  5. Step 5: Solve for x
    x = 8,168,125,733.11/104,426.76
  6. Step 6: Final answer
    x = 78,218.70

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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.