Home / 86,289.29-119,115.96-58,011.38

Finding the Fourth Proportional to 86,289.29, 119,115.96 and 58,011.38

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Solution

The fourth proportional to 86,289.29, 119,115.96 and 58,011.38 is: 80,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,289.29 : 119,115.96 = 58,011.38 : x
  2. Step 2: Convert to fraction form
    86,289.29/119,115.96 = 58,011.38/x
  3. Step 3: Cross multiply
    86,289.29x = 119,115.96 × 58,011.38
  4. Step 4: Simplify right side
    86,289.29x = 6,910,081,219.62
  5. Step 5: Solve for x
    x = 6,910,081,219.62/86,289.29
  6. Step 6: Final answer
    x = 80,080.40

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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.