Home / 51,292.80-76,881.60-26,323.20

Finding the Fourth Proportional to 51,292.80, 76,881.60 and 26,323.20

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Solution

The fourth proportional to 51,292.80, 76,881.60 and 26,323.20 is: 39,455.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,292.80 : 76,881.60 = 26,323.20 : x
  2. Step 2: Convert to fraction form
    51,292.80/76,881.60 = 26,323.20/x
  3. Step 3: Cross multiply
    51,292.80x = 76,881.60 × 26,323.20
  4. Step 4: Simplify right side
    51,292.80x = 2,023,769,733.12
  5. Step 5: Solve for x
    x = 2,023,769,733.12/51,292.80
  6. Step 6: Final answer
    x = 39,455.24

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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.