Home / 80,643.36-111,282.65-44,832.45

Finding the Fourth Proportional to 80,643.36, 111,282.65 and 44,832.45

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Solution

The fourth proportional to 80,643.36, 111,282.65 and 44,832.45 is: 61,865.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,643.36 : 111,282.65 = 44,832.45 : x
  2. Step 2: Convert to fraction form
    80,643.36/111,282.65 = 44,832.45/x
  3. Step 3: Cross multiply
    80,643.36x = 111,282.65 × 44,832.45
  4. Step 4: Simplify right side
    80,643.36x = 4,989,073,617.83
  5. Step 5: Solve for x
    x = 4,989,073,617.83/80,643.36
  6. Step 6: Final answer
    x = 61,865.89

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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.