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Finding the Fourth Proportional to 63,406.99, 94,964.28 and 45,526.65

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Solution

The fourth proportional to 63,406.99, 94,964.28 and 45,526.65 is: 68,185.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,406.99 : 94,964.28 = 45,526.65 : x
  2. Step 2: Convert to fraction form
    63,406.99/94,964.28 = 45,526.65/x
  3. Step 3: Cross multiply
    63,406.99x = 94,964.28 × 45,526.65
  4. Step 4: Simplify right side
    63,406.99x = 4,323,405,538.06
  5. Step 5: Solve for x
    x = 4,323,405,538.06/63,406.99
  6. Step 6: Final answer
    x = 68,185.00

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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.