Home / 86,287.17-119,047.75-50,451.80

Finding the Fourth Proportional to 86,287.17, 119,047.75 and 50,451.80

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Solution

The fourth proportional to 86,287.17, 119,047.75 and 50,451.80 is: 69,606.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,287.17 : 119,047.75 = 50,451.80 : x
  2. Step 2: Convert to fraction form
    86,287.17/119,047.75 = 50,451.80/x
  3. Step 3: Cross multiply
    86,287.17x = 119,047.75 × 50,451.80
  4. Step 4: Simplify right side
    86,287.17x = 6,006,173,021.19
  5. Step 5: Solve for x
    x = 6,006,173,021.19/86,287.17
  6. Step 6: Final answer
    x = 69,606.79

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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.