Home / 86,520.32-119,395.44-48,280.88

Finding the Fourth Proportional to 86,520.32, 119,395.44 and 48,280.88

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Solution

The fourth proportional to 86,520.32, 119,395.44 and 48,280.88 is: 66,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,520.32 : 119,395.44 = 48,280.88 : x
  2. Step 2: Convert to fraction form
    86,520.32/119,395.44 = 48,280.88/x
  3. Step 3: Cross multiply
    86,520.32x = 119,395.44 × 48,280.88
  4. Step 4: Simplify right side
    86,520.32x = 5,764,516,911.19
  5. Step 5: Solve for x
    x = 5,764,516,911.19/86,520.32
  6. Step 6: Final answer
    x = 66,626.16

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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.