Home / 89,889.85-124,072.67-52,176.25

Finding the Fourth Proportional to 89,889.85, 124,072.67 and 52,176.25

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Solution

The fourth proportional to 89,889.85, 124,072.67 and 52,176.25 is: 72,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,889.85 : 124,072.67 = 52,176.25 : x
  2. Step 2: Convert to fraction form
    89,889.85/124,072.67 = 52,176.25/x
  3. Step 3: Cross multiply
    89,889.85x = 124,072.67 × 52,176.25
  4. Step 4: Simplify right side
    89,889.85x = 6,473,646,648.09
  5. Step 5: Solve for x
    x = 6,473,646,648.09/89,889.85
  6. Step 6: Final answer
    x = 72,017.55

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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.