Home / 104,751.94-144,557.58-57,005.20

Finding the Fourth Proportional to 104,751.94, 144,557.58 and 57,005.20

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Solution

The fourth proportional to 104,751.94, 144,557.58 and 57,005.20 is: 78,667.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,751.94 : 144,557.58 = 57,005.20 : x
  2. Step 2: Convert to fraction form
    104,751.94/144,557.58 = 57,005.20/x
  3. Step 3: Cross multiply
    104,751.94x = 144,557.58 × 57,005.20
  4. Step 4: Simplify right side
    104,751.94x = 8,240,533,759.42
  5. Step 5: Solve for x
    x = 8,240,533,759.42/104,751.94
  6. Step 6: Final answer
    x = 78,667.12

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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.