Home / 86,457.57-119,311.21-48,217.16

Finding the Fourth Proportional to 86,457.57, 119,311.21 and 48,217.16

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Solution

The fourth proportional to 86,457.57, 119,311.21 and 48,217.16 is: 66,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,457.57 : 119,311.21 = 48,217.16 : x
  2. Step 2: Convert to fraction form
    86,457.57/119,311.21 = 48,217.16/x
  3. Step 3: Cross multiply
    86,457.57x = 119,311.21 × 48,217.16
  4. Step 4: Simplify right side
    86,457.57x = 5,752,847,702.36
  5. Step 5: Solve for x
    x = 5,752,847,702.36/86,457.57
  6. Step 6: Final answer
    x = 66,539.55

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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.