Home / 51,143.74-70,578.16-28,483.00

Finding the Fourth Proportional to 51,143.74, 70,578.16 and 28,483.00

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Solution

The fourth proportional to 51,143.74, 70,578.16 and 28,483.00 is: 39,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,143.74 : 70,578.16 = 28,483.00 : x
  2. Step 2: Convert to fraction form
    51,143.74/70,578.16 = 28,483.00/x
  3. Step 3: Cross multiply
    51,143.74x = 70,578.16 × 28,483.00
  4. Step 4: Simplify right side
    51,143.74x = 2,010,277,483.63
  5. Step 5: Solve for x
    x = 2,010,277,483.63/51,143.74
  6. Step 6: Final answer
    x = 39,306.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.