Home / 80,875.34-111,606.84-45,066.86

Finding the Fourth Proportional to 80,875.34, 111,606.84 and 45,066.86

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Solution

The fourth proportional to 80,875.34, 111,606.84 and 45,066.86 is: 62,191.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,875.34 : 111,606.84 = 45,066.86 : x
  2. Step 2: Convert to fraction form
    80,875.34/111,606.84 = 45,066.86/x
  3. Step 3: Cross multiply
    80,875.34x = 111,606.84 × 45,066.86
  4. Step 4: Simplify right side
    80,875.34x = 5,029,769,833.32
  5. Step 5: Solve for x
    x = 5,029,769,833.32/80,875.34
  6. Step 6: Final answer
    x = 62,191.64

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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.