Home / 86,329.34-119,152.84-58,018.62

Finding the Fourth Proportional to 86,329.34, 119,152.84 and 58,018.62

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Solution

The fourth proportional to 86,329.34, 119,152.84 and 58,018.62 is: 80,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,329.34 : 119,152.84 = 58,018.62 : x
  2. Step 2: Convert to fraction form
    86,329.34/119,152.84 = 58,018.62/x
  3. Step 3: Cross multiply
    86,329.34x = 119,152.84 × 58,018.62
  4. Step 4: Simplify right side
    86,329.34x = 6,913,083,345.88
  5. Step 5: Solve for x
    x = 6,913,083,345.88/86,329.34
  6. Step 6: Final answer
    x = 80,078.03

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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.