Home / 104,426.78-144,109.22-56,680.12

Finding the Fourth Proportional to 104,426.78, 144,109.22 and 56,680.12

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Solution

The fourth proportional to 104,426.78, 144,109.22 and 56,680.12 is: 78,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.78 : 144,109.22 = 56,680.12 : x
  2. Step 2: Convert to fraction form
    104,426.78/144,109.22 = 56,680.12/x
  3. Step 3: Cross multiply
    104,426.78x = 144,109.22 × 56,680.12
  4. Step 4: Simplify right side
    104,426.78x = 8,168,127,664.13
  5. Step 5: Solve for x
    x = 8,168,127,664.13/104,426.78
  6. Step 6: Final answer
    x = 78,218.71

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1.5x scale

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.