Home / 58,347.48-80,350.11-50,687.28

Finding the Fourth Proportional to 58,347.48, 80,350.11 and 50,687.28

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Solution

The fourth proportional to 58,347.48, 80,350.11 and 50,687.28 is: 69,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,347.48 : 80,350.11 = 50,687.28 : x
  2. Step 2: Convert to fraction form
    58,347.48/80,350.11 = 50,687.28/x
  3. Step 3: Cross multiply
    58,347.48x = 80,350.11 × 50,687.28
  4. Step 4: Simplify right side
    58,347.48x = 4,072,728,523.60
  5. Step 5: Solve for x
    x = 4,072,728,523.60/58,347.48
  6. Step 6: Final answer
    x = 69,801.28

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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.