Home / 86,629.10-119,546.86-48,389.18

Finding the Fourth Proportional to 86,629.10, 119,546.86 and 48,389.18

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Solution

The fourth proportional to 86,629.10, 119,546.86 and 48,389.18 is: 66,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,629.10 : 119,546.86 = 48,389.18 : x
  2. Step 2: Convert to fraction form
    86,629.10/119,546.86 = 48,389.18/x
  3. Step 3: Cross multiply
    86,629.10x = 119,546.86 × 48,389.18
  4. Step 4: Simplify right side
    86,629.10x = 5,784,774,526.97
  5. Step 5: Solve for x
    x = 5,784,774,526.97/86,629.10
  6. Step 6: Final answer
    x = 66,776.34

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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.