Home / 61,256.97-91,885.42-19,140.68

Finding the Fourth Proportional to 61,256.97, 91,885.42 and 19,140.68

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Solution

The fourth proportional to 61,256.97, 91,885.42 and 19,140.68 is: 28,711.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,256.97 : 91,885.42 = 19,140.68 : x
  2. Step 2: Convert to fraction form
    61,256.97/91,885.42 = 19,140.68/x
  3. Step 3: Cross multiply
    61,256.97x = 91,885.42 × 19,140.68
  4. Step 4: Simplify right side
    61,256.97x = 1,758,749,420.89
  5. Step 5: Solve for x
    x = 1,758,749,420.89/61,256.97
  6. Step 6: Final answer
    x = 28,711.01

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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.