Home / 58,076.01-80,169.36-39,238.65

Finding the Fourth Proportional to 58,076.01, 80,169.36 and 39,238.65

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Solution

The fourth proportional to 58,076.01, 80,169.36 and 39,238.65 is: 54,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,076.01 : 80,169.36 = 39,238.65 : x
  2. Step 2: Convert to fraction form
    58,076.01/80,169.36 = 39,238.65/x
  3. Step 3: Cross multiply
    58,076.01x = 80,169.36 × 39,238.65
  4. Step 4: Simplify right side
    58,076.01x = 3,145,737,457.76
  5. Step 5: Solve for x
    x = 3,145,737,457.76/58,076.01
  6. Step 6: Final answer
    x = 54,165.87

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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.