Home / 61,115.79-91,673.76-16,742.93

Finding the Fourth Proportional to 61,115.79, 91,673.76 and 16,742.93

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Solution

The fourth proportional to 61,115.79, 91,673.76 and 16,742.93 is: 25,114.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,115.79 : 91,673.76 = 16,742.93 : x
  2. Step 2: Convert to fraction form
    61,115.79/91,673.76 = 16,742.93/x
  3. Step 3: Cross multiply
    61,115.79x = 91,673.76 × 16,742.93
  4. Step 4: Simplify right side
    61,115.79x = 1,534,887,346.52
  5. Step 5: Solve for x
    x = 1,534,887,346.52/61,115.79
  6. Step 6: Final answer
    x = 25,114.42

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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.