Home / 86,395.32-119,220.54-48,153.60

Finding the Fourth Proportional to 86,395.32, 119,220.54 and 48,153.60

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Solution

The fourth proportional to 86,395.32, 119,220.54 and 48,153.60 is: 66,449.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,395.32 : 119,220.54 = 48,153.60 : x
  2. Step 2: Convert to fraction form
    86,395.32/119,220.54 = 48,153.60/x
  3. Step 3: Cross multiply
    86,395.32x = 119,220.54 × 48,153.60
  4. Step 4: Simplify right side
    86,395.32x = 5,740,898,194.94
  5. Step 5: Solve for x
    x = 5,740,898,194.94/86,395.32
  6. Step 6: Final answer
    x = 66,449.18

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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.