Home / 91,415.40-137,058.30-35,233.80

Finding the Fourth Proportional to 91,415.40, 137,058.30 and 35,233.80

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Solution

The fourth proportional to 91,415.40, 137,058.30 and 35,233.80 is: 52,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,415.40 : 137,058.30 = 35,233.80 : x
  2. Step 2: Convert to fraction form
    91,415.40/137,058.30 = 35,233.80/x
  3. Step 3: Cross multiply
    91,415.40x = 137,058.30 × 35,233.80
  4. Step 4: Simplify right side
    91,415.40x = 4,829,084,730.54
  5. Step 5: Solve for x
    x = 4,829,084,730.54/91,415.40
  6. Step 6: Final answer
    x = 52,825.72

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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.