Home / 58,858.09-81,237.06-38,716.96

Finding the Fourth Proportional to 58,858.09, 81,237.06 and 38,716.96

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Solution

The fourth proportional to 58,858.09, 81,237.06 and 38,716.96 is: 53,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,858.09 : 81,237.06 = 38,716.96 : x
  2. Step 2: Convert to fraction form
    58,858.09/81,237.06 = 38,716.96/x
  3. Step 3: Cross multiply
    58,858.09x = 81,237.06 × 38,716.96
  4. Step 4: Simplify right side
    58,858.09x = 3,145,252,002.54
  5. Step 5: Solve for x
    x = 3,145,252,002.54/58,858.09
  6. Step 6: Final answer
    x = 53,437.89

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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.