Home / 80,477.64-111,062.03-48,628.08

Finding the Fourth Proportional to 80,477.64, 111,062.03 and 48,628.08

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Solution

The fourth proportional to 80,477.64, 111,062.03 and 48,628.08 is: 67,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,477.64 : 111,062.03 = 48,628.08 : x
  2. Step 2: Convert to fraction form
    80,477.64/111,062.03 = 48,628.08/x
  3. Step 3: Cross multiply
    80,477.64x = 111,062.03 × 48,628.08
  4. Step 4: Simplify right side
    80,477.64x = 5,400,733,036.66
  5. Step 5: Solve for x
    x = 5,400,733,036.66/80,477.64
  6. Step 6: Final answer
    x = 67,108.49

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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.