Home / 91,636.20-137,410.98-35,502.60

Finding the Fourth Proportional to 91,636.20, 137,410.98 and 35,502.60

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Solution

The fourth proportional to 91,636.20, 137,410.98 and 35,502.60 is: 53,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,636.20 : 137,410.98 = 35,502.60 : x
  2. Step 2: Convert to fraction form
    91,636.20/137,410.98 = 35,502.60/x
  3. Step 3: Cross multiply
    91,636.20x = 137,410.98 × 35,502.60
  4. Step 4: Simplify right side
    91,636.20x = 4,878,447,058.55
  5. Step 5: Solve for x
    x = 4,878,447,058.55/91,636.20
  6. Step 6: Final answer
    x = 53,237.12

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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.