Home / 81,168.96-112,011.08-45,359.27

Finding the Fourth Proportional to 81,168.96, 112,011.08 and 45,359.27

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Solution

The fourth proportional to 81,168.96, 112,011.08 and 45,359.27 is: 62,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,168.96 : 112,011.08 = 45,359.27 : x
  2. Step 2: Convert to fraction form
    81,168.96/112,011.08 = 45,359.27/x
  3. Step 3: Cross multiply
    81,168.96x = 112,011.08 × 45,359.27
  4. Step 4: Simplify right side
    81,168.96x = 5,080,740,266.44
  5. Step 5: Solve for x
    x = 5,080,740,266.44/81,168.96
  6. Step 6: Final answer
    x = 62,594.62

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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.