Home / 88,690.30-133,035.45-36,072.70

Finding the Fourth Proportional to 88,690.30, 133,035.45 and 36,072.70

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Solution

The fourth proportional to 88,690.30, 133,035.45 and 36,072.70 is: 54,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,690.30 : 133,035.45 = 36,072.70 : x
  2. Step 2: Convert to fraction form
    88,690.30/133,035.45 = 36,072.70/x
  3. Step 3: Cross multiply
    88,690.30x = 133,035.45 × 36,072.70
  4. Step 4: Simplify right side
    88,690.30x = 4,798,947,877.22
  5. Step 5: Solve for x
    x = 4,798,947,877.22/88,690.30
  6. Step 6: Final answer
    x = 54,109.05

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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.