Home / 86,776.38-119,729.48-50,959.40

Finding the Fourth Proportional to 86,776.38, 119,729.48 and 50,959.40

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Solution

The fourth proportional to 86,776.38, 119,729.48 and 50,959.40 is: 70,311.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,776.38 : 119,729.48 = 50,959.40 : x
  2. Step 2: Convert to fraction form
    86,776.38/119,729.48 = 50,959.40/x
  3. Step 3: Cross multiply
    86,776.38x = 119,729.48 × 50,959.40
  4. Step 4: Simplify right side
    86,776.38x = 6,101,341,609.67
  5. Step 5: Solve for x
    x = 6,101,341,609.67/86,776.38
  6. Step 6: Final answer
    x = 70,311.09

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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.