Home / 80,678.96-111,326.28-44,861.84

Finding the Fourth Proportional to 80,678.96, 111,326.28 and 44,861.84

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Solution

The fourth proportional to 80,678.96, 111,326.28 and 44,861.84 is: 61,903.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,678.96 : 111,326.28 = 44,861.84 : x
  2. Step 2: Convert to fraction form
    80,678.96/111,326.28 = 44,861.84/x
  3. Step 3: Cross multiply
    80,678.96x = 111,326.28 × 44,861.84
  4. Step 4: Simplify right side
    80,678.96x = 4,994,301,761.16
  5. Step 5: Solve for x
    x = 4,994,301,761.16/80,678.96
  6. Step 6: Final answer
    x = 61,903.40

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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.