Home / 86,455.40-119,320.26-50,659.72

Finding the Fourth Proportional to 86,455.40, 119,320.26 and 50,659.72

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Solution

The fourth proportional to 86,455.40, 119,320.26 and 50,659.72 is: 69,917.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,455.40 : 119,320.26 = 50,659.72 : x
  2. Step 2: Convert to fraction form
    86,455.40/119,320.26 = 50,659.72/x
  3. Step 3: Cross multiply
    86,455.40x = 119,320.26 × 50,659.72
  4. Step 4: Simplify right side
    86,455.40x = 6,044,730,961.93
  5. Step 5: Solve for x
    x = 6,044,730,961.93/86,455.40
  6. Step 6: Final answer
    x = 69,917.33

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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.