Home / 104,472.32-144,171.90-56,725.65

Finding the Fourth Proportional to 104,472.32, 144,171.90 and 56,725.65

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Solution

The fourth proportional to 104,472.32, 144,171.90 and 56,725.65 is: 78,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,472.32 : 144,171.90 = 56,725.65 : x
  2. Step 2: Convert to fraction form
    104,472.32/144,171.90 = 56,725.65/x
  3. Step 3: Cross multiply
    104,472.32x = 144,171.90 × 56,725.65
  4. Step 4: Simplify right side
    104,472.32x = 8,178,244,739.24
  5. Step 5: Solve for x
    x = 8,178,244,739.24/104,472.32
  6. Step 6: Final answer
    x = 78,281.45

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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.