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Finding the Fourth Proportional to 63,808.51, 88,075.11 and 36,957.61

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Solution

The fourth proportional to 63,808.51, 88,075.11 and 36,957.61 is: 51,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,808.51 : 88,075.11 = 36,957.61 : x
  2. Step 2: Convert to fraction form
    63,808.51/88,075.11 = 36,957.61/x
  3. Step 3: Cross multiply
    63,808.51x = 88,075.11 × 36,957.61
  4. Step 4: Simplify right side
    63,808.51x = 3,255,045,566.09
  5. Step 5: Solve for x
    x = 3,255,045,566.09/63,808.51
  6. Step 6: Final answer
    x = 51,012.72

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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.