Home / 59,815.20-89,917.20-51,261.60

Finding the Fourth Proportional to 59,815.20, 89,917.20 and 51,261.60

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Solution

The fourth proportional to 59,815.20, 89,917.20 and 51,261.60 is: 77,059.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,815.20 : 89,917.20 = 51,261.60 : x
  2. Step 2: Convert to fraction form
    59,815.20/89,917.20 = 51,261.60/x
  3. Step 3: Cross multiply
    59,815.20x = 89,917.20 × 51,261.60
  4. Step 4: Simplify right side
    59,815.20x = 4,609,299,539.52
  5. Step 5: Solve for x
    x = 4,609,299,539.52/59,815.20
  6. Step 6: Final answer
    x = 77,059.00

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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.