Home / 80,856.51-111,572.30-46,399.47

Finding the Fourth Proportional to 80,856.51, 111,572.30 and 46,399.47

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Solution

The fourth proportional to 80,856.51, 111,572.30 and 46,399.47 is: 64,025.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,856.51 : 111,572.30 = 46,399.47 : x
  2. Step 2: Convert to fraction form
    80,856.51/111,572.30 = 46,399.47/x
  3. Step 3: Cross multiply
    80,856.51x = 111,572.30 × 46,399.47
  4. Step 4: Simplify right side
    80,856.51x = 5,176,894,796.82
  5. Step 5: Solve for x
    x = 5,176,894,796.82/80,856.51
  6. Step 6: Final answer
    x = 64,025.71

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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.