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Finding the Fourth Proportional to 45,703.55, 68,527.62 and 29,889.48

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Solution

The fourth proportional to 45,703.55, 68,527.62 and 29,889.48 is: 44,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,703.55 : 68,527.62 = 29,889.48 : x
  2. Step 2: Convert to fraction form
    45,703.55/68,527.62 = 29,889.48/x
  3. Step 3: Cross multiply
    45,703.55x = 68,527.62 × 29,889.48
  4. Step 4: Simplify right side
    45,703.55x = 2,048,254,927.44
  5. Step 5: Solve for x
    x = 2,048,254,927.44/45,703.55
  6. Step 6: Final answer
    x = 44,816.11

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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.