Home / 86,285.12-119,110.21-58,007.21

Finding the Fourth Proportional to 86,285.12, 119,110.21 and 58,007.21

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Solution

The fourth proportional to 86,285.12, 119,110.21 and 58,007.21 is: 80,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,285.12 : 119,110.21 = 58,007.21 : x
  2. Step 2: Convert to fraction form
    86,285.12/119,110.21 = 58,007.21/x
  3. Step 3: Cross multiply
    86,285.12x = 119,110.21 × 58,007.21
  4. Step 4: Simplify right side
    86,285.12x = 6,909,250,964.61
  5. Step 5: Solve for x
    x = 6,909,250,964.61/86,285.12
  6. Step 6: Final answer
    x = 80,074.65

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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.