Home / 98,464.75-135,880.64-56,025.61

Finding the Fourth Proportional to 98,464.75, 135,880.64 and 56,025.61

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Solution

The fourth proportional to 98,464.75, 135,880.64 and 56,025.61 is: 77,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,464.75 : 135,880.64 = 56,025.61 : x
  2. Step 2: Convert to fraction form
    98,464.75/135,880.64 = 56,025.61/x
  3. Step 3: Cross multiply
    98,464.75x = 135,880.64 × 56,025.61
  4. Step 4: Simplify right side
    98,464.75x = 7,612,795,333.46
  5. Step 5: Solve for x
    x = 7,612,795,333.46/98,464.75
  6. Step 6: Final answer
    x = 77,314.93

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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.