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Finding the Fourth Proportional to 80,359.32, 110,895.68 and 45,903.31

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Solution

The fourth proportional to 80,359.32, 110,895.68 and 45,903.31 is: 63,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,359.32 : 110,895.68 = 45,903.31 : x
  2. Step 2: Convert to fraction form
    80,359.32/110,895.68 = 45,903.31/x
  3. Step 3: Cross multiply
    80,359.32x = 110,895.68 × 45,903.31
  4. Step 4: Simplify right side
    80,359.32x = 5,090,478,468.98
  5. Step 5: Solve for x
    x = 5,090,478,468.98/80,359.32
  6. Step 6: Final answer
    x = 63,346.46

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1.5x scale

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.