Home / 61,328.64-92,167.92-30,185.76

Finding the Fourth Proportional to 61,328.64, 92,167.92 and 30,185.76

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Solution

The fourth proportional to 61,328.64, 92,167.92 and 30,185.76 is: 45,364.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,328.64 : 92,167.92 = 30,185.76 : x
  2. Step 2: Convert to fraction form
    61,328.64/92,167.92 = 30,185.76/x
  3. Step 3: Cross multiply
    61,328.64x = 92,167.92 × 30,185.76
  4. Step 4: Simplify right side
    61,328.64x = 2,782,158,712.82
  5. Step 5: Solve for x
    x = 2,782,158,712.82/61,328.64
  6. Step 6: Final answer
    x = 45,364.75

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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.