Home / 86,451.29-119,332.55-50,652.89

Finding the Fourth Proportional to 86,451.29, 119,332.55 and 50,652.89

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Solution

The fourth proportional to 86,451.29, 119,332.55 and 50,652.89 is: 69,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,451.29 : 119,332.55 = 50,652.89 : x
  2. Step 2: Convert to fraction form
    86,451.29/119,332.55 = 50,652.89/x
  3. Step 3: Cross multiply
    86,451.29x = 119,332.55 × 50,652.89
  4. Step 4: Simplify right side
    86,451.29x = 6,044,538,528.57
  5. Step 5: Solve for x
    x = 6,044,538,528.57/86,451.29
  6. Step 6: Final answer
    x = 69,918.43

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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.