Home / 61,985.40-92,977.26-15,238.68

Finding the Fourth Proportional to 61,985.40, 92,977.26 and 15,238.68

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Solution

The fourth proportional to 61,985.40, 92,977.26 and 15,238.68 is: 22,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,985.40 : 92,977.26 = 15,238.68 : x
  2. Step 2: Convert to fraction form
    61,985.40/92,977.26 = 15,238.68/x
  3. Step 3: Cross multiply
    61,985.40x = 92,977.26 × 15,238.68
  4. Step 4: Simplify right side
    61,985.40x = 1,416,850,712.42
  5. Step 5: Solve for x
    x = 1,416,850,712.42/61,985.40
  6. Step 6: Final answer
    x = 22,857.81

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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.