Home / 86,441.50-119,290.18-48,715.75

Finding the Fourth Proportional to 86,441.50, 119,290.18 and 48,715.75

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Solution

The fourth proportional to 86,441.50, 119,290.18 and 48,715.75 is: 67,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,441.50 : 119,290.18 = 48,715.75 : x
  2. Step 2: Convert to fraction form
    86,441.50/119,290.18 = 48,715.75/x
  3. Step 3: Cross multiply
    86,441.50x = 119,290.18 × 48,715.75
  4. Step 4: Simplify right side
    86,441.50x = 5,811,310,586.34
  5. Step 5: Solve for x
    x = 5,811,310,586.34/86,441.50
  6. Step 6: Final answer
    x = 67,228.25

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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.