Home / 58,858.60-81,183.73-38,709.04

Finding the Fourth Proportional to 58,858.60, 81,183.73 and 38,709.04

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Solution

The fourth proportional to 58,858.60, 81,183.73 and 38,709.04 is: 53,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,858.60 : 81,183.73 = 38,709.04 : x
  2. Step 2: Convert to fraction form
    58,858.60/81,183.73 = 38,709.04/x
  3. Step 3: Cross multiply
    58,858.60x = 81,183.73 × 38,709.04
  4. Step 4: Simplify right side
    58,858.60x = 3,142,543,652.46
  5. Step 5: Solve for x
    x = 3,142,543,652.46/58,858.60
  6. Step 6: Final answer
    x = 53,391.41

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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.