Home / 86,284.34-119,048.38-51,819.87

Finding the Fourth Proportional to 86,284.34, 119,048.38 and 51,819.87

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Solution

The fourth proportional to 86,284.34, 119,048.38 and 51,819.87 is: 71,497.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,284.34 : 119,048.38 = 51,819.87 : x
  2. Step 2: Convert to fraction form
    86,284.34/119,048.38 = 51,819.87/x
  3. Step 3: Cross multiply
    86,284.34x = 119,048.38 × 51,819.87
  4. Step 4: Simplify right side
    86,284.34x = 6,169,071,575.31
  5. Step 5: Solve for x
    x = 6,169,071,575.31/86,284.34
  6. Step 6: Final answer
    x = 71,497.00

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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.