Home / 104,669.69-144,442.58-56,921.94

Finding the Fourth Proportional to 104,669.69, 144,442.58 and 56,921.94

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Solution

The fourth proportional to 104,669.69, 144,442.58 and 56,921.94 is: 78,551.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,669.69 : 144,442.58 = 56,921.94 : x
  2. Step 2: Convert to fraction form
    104,669.69/144,442.58 = 56,921.94/x
  3. Step 3: Cross multiply
    104,669.69x = 144,442.58 × 56,921.94
  4. Step 4: Simplify right side
    104,669.69x = 8,221,951,587.60
  5. Step 5: Solve for x
    x = 8,221,951,587.60/104,669.69
  6. Step 6: Final answer
    x = 78,551.41

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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.