Home / 97,575.57-134,639.42-55,118.61

Finding the Fourth Proportional to 97,575.57, 134,639.42 and 55,118.61

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Solution

The fourth proportional to 97,575.57, 134,639.42 and 55,118.61 is: 76,055.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,575.57 : 134,639.42 = 55,118.61 : x
  2. Step 2: Convert to fraction form
    97,575.57/134,639.42 = 55,118.61/x
  3. Step 3: Cross multiply
    97,575.57x = 134,639.42 × 55,118.61
  4. Step 4: Simplify right side
    97,575.57x = 7,421,137,406.01
  5. Step 5: Solve for x
    x = 7,421,137,406.01/97,575.57
  6. Step 6: Final answer
    x = 76,055.28

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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.