Home / 61,922.80-92,881.68-28,631.92

Finding the Fourth Proportional to 61,922.80, 92,881.68 and 28,631.92

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Solution

The fourth proportional to 61,922.80, 92,881.68 and 28,631.92 is: 42,946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,922.80 : 92,881.68 = 28,631.92 : x
  2. Step 2: Convert to fraction form
    61,922.80/92,881.68 = 28,631.92/x
  3. Step 3: Cross multiply
    61,922.80x = 92,881.68 × 28,631.92
  4. Step 4: Simplify right side
    61,922.80x = 2,659,380,831.23
  5. Step 5: Solve for x
    x = 2,659,380,831.23/61,922.80
  6. Step 6: Final answer
    x = 42,946.71

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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.