Home / 53,097.11-79,646.27-18,039.50

Finding the Fourth Proportional to 53,097.11, 79,646.27 and 18,039.50

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Solution

The fourth proportional to 53,097.11, 79,646.27 and 18,039.50 is: 27,059.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,097.11 : 79,646.27 = 18,039.50 : x
  2. Step 2: Convert to fraction form
    53,097.11/79,646.27 = 18,039.50/x
  3. Step 3: Cross multiply
    53,097.11x = 79,646.27 × 18,039.50
  4. Step 4: Simplify right side
    53,097.11x = 1,436,778,887.67
  5. Step 5: Solve for x
    x = 1,436,778,887.67/53,097.11
  6. Step 6: Final answer
    x = 27,059.46

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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.