Home / 89,284.80-133,927.05-36,657.21

Finding the Fourth Proportional to 89,284.80, 133,927.05 and 36,657.21

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Solution

The fourth proportional to 89,284.80, 133,927.05 and 36,657.21 is: 54,985.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,284.80 : 133,927.05 = 36,657.21 : x
  2. Step 2: Convert to fraction form
    89,284.80/133,927.05 = 36,657.21/x
  3. Step 3: Cross multiply
    89,284.80x = 133,927.05 × 36,657.21
  4. Step 4: Simplify right side
    89,284.80x = 4,909,391,996.53
  5. Step 5: Solve for x
    x = 4,909,391,996.53/89,284.80
  6. Step 6: Final answer
    x = 54,985.75

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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.