Home / 104,426.25-144,104.37-56,678.58

Finding the Fourth Proportional to 104,426.25, 144,104.37 and 56,678.58

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Solution

The fourth proportional to 104,426.25, 144,104.37 and 56,678.58 is: 78,214.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.25 : 144,104.37 = 56,678.58 : x
  2. Step 2: Convert to fraction form
    104,426.25/144,104.37 = 56,678.58/x
  3. Step 3: Cross multiply
    104,426.25x = 144,104.37 × 56,678.58
  4. Step 4: Simplify right side
    104,426.25x = 8,167,631,063.39
  5. Step 5: Solve for x
    x = 8,167,631,063.39/104,426.25
  6. Step 6: Final answer
    x = 78,214.35

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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.