Home / 58,478.09-87,716.36-14,104.51

Finding the Fourth Proportional to 58,478.09, 87,716.36 and 14,104.51

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Solution

The fourth proportional to 58,478.09, 87,716.36 and 14,104.51 is: 21,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,478.09 : 87,716.36 = 14,104.51 : x
  2. Step 2: Convert to fraction form
    58,478.09/87,716.36 = 14,104.51/x
  3. Step 3: Cross multiply
    58,478.09x = 87,716.36 × 14,104.51
  4. Step 4: Simplify right side
    58,478.09x = 1,237,196,092.75
  5. Step 5: Solve for x
    x = 1,237,196,092.75/58,478.09
  6. Step 6: Final answer
    x = 21,156.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.