Home / 86,558.32-119,436.98-48,315.89

Finding the Fourth Proportional to 86,558.32, 119,436.98 and 48,315.89

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Solution

The fourth proportional to 86,558.32, 119,436.98 and 48,315.89 is: 66,668.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,558.32 : 119,436.98 = 48,315.89 : x
  2. Step 2: Convert to fraction form
    86,558.32/119,436.98 = 48,315.89/x
  3. Step 3: Cross multiply
    86,558.32x = 119,436.98 × 48,315.89
  4. Step 4: Simplify right side
    86,558.32x = 5,770,704,316.40
  5. Step 5: Solve for x
    x = 5,770,704,316.40/86,558.32
  6. Step 6: Final answer
    x = 66,668.39

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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.