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Finding the Fourth Proportional to 64,386.34, 88,852.87 and 36,092.03

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Solution

The fourth proportional to 64,386.34, 88,852.87 and 36,092.03 is: 49,806.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,386.34 : 88,852.87 = 36,092.03 : x
  2. Step 2: Convert to fraction form
    64,386.34/88,852.87 = 36,092.03/x
  3. Step 3: Cross multiply
    64,386.34x = 88,852.87 × 36,092.03
  4. Step 4: Simplify right side
    64,386.34x = 3,206,880,449.63
  5. Step 5: Solve for x
    x = 3,206,880,449.63/64,386.34
  6. Step 6: Final answer
    x = 49,806.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.