Home / 91,042.37-136,564.80-34,885.30

Finding the Fourth Proportional to 91,042.37, 136,564.80 and 34,885.30

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Solution

The fourth proportional to 91,042.37, 136,564.80 and 34,885.30 is: 52,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,042.37 : 136,564.80 = 34,885.30 : x
  2. Step 2: Convert to fraction form
    91,042.37/136,564.80 = 34,885.30/x
  3. Step 3: Cross multiply
    91,042.37x = 136,564.80 × 34,885.30
  4. Step 4: Simplify right side
    91,042.37x = 4,764,104,017.44
  5. Step 5: Solve for x
    x = 4,764,104,017.44/91,042.37
  6. Step 6: Final answer
    x = 52,328.43

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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.