Home / 62,818.80-94,228.20-21,265.20

Finding the Fourth Proportional to 62,818.80, 94,228.20 and 21,265.20

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Solution

The fourth proportional to 62,818.80, 94,228.20 and 21,265.20 is: 31,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,818.80 : 94,228.20 = 21,265.20 : x
  2. Step 2: Convert to fraction form
    62,818.80/94,228.20 = 21,265.20/x
  3. Step 3: Cross multiply
    62,818.80x = 94,228.20 × 21,265.20
  4. Step 4: Simplify right side
    62,818.80x = 2,003,781,518.64
  5. Step 5: Solve for x
    x = 2,003,781,518.64/62,818.80
  6. Step 6: Final answer
    x = 31,897.80

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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.