Home / 86,623.90-119,542.94-50,839.72

Finding the Fourth Proportional to 86,623.90, 119,542.94 and 50,839.72

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Solution

The fourth proportional to 86,623.90, 119,542.94 and 50,839.72 is: 70,159.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,623.90 : 119,542.94 = 50,839.72 : x
  2. Step 2: Convert to fraction form
    86,623.90/119,542.94 = 50,839.72/x
  3. Step 3: Cross multiply
    86,623.90x = 119,542.94 × 50,839.72
  4. Step 4: Simplify right side
    86,623.90x = 6,077,529,235.17
  5. Step 5: Solve for x
    x = 6,077,529,235.17/86,623.90
  6. Step 6: Final answer
    x = 70,159.96

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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.