Home / 80,688.15-111,349.89-44,878.46

Finding the Fourth Proportional to 80,688.15, 111,349.89 and 44,878.46

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Solution

The fourth proportional to 80,688.15, 111,349.89 and 44,878.46 is: 61,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,688.15 : 111,349.89 = 44,878.46 : x
  2. Step 2: Convert to fraction form
    80,688.15/111,349.89 = 44,878.46/x
  3. Step 3: Cross multiply
    80,688.15x = 111,349.89 × 44,878.46
  4. Step 4: Simplify right side
    80,688.15x = 4,997,211,027.62
  5. Step 5: Solve for x
    x = 4,997,211,027.62/80,688.15
  6. Step 6: Final answer
    x = 61,932.40

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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.