Home / 86,928.32-119,933.04-48,682.16

Finding the Fourth Proportional to 86,928.32, 119,933.04 and 48,682.16

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Solution

The fourth proportional to 86,928.32, 119,933.04 and 48,682.16 is: 67,165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,928.32 : 119,933.04 = 48,682.16 : x
  2. Step 2: Convert to fraction form
    86,928.32/119,933.04 = 48,682.16/x
  3. Step 3: Cross multiply
    86,928.32x = 119,933.04 × 48,682.16
  4. Step 4: Simplify right side
    86,928.32x = 5,838,599,442.57
  5. Step 5: Solve for x
    x = 5,838,599,442.57/86,928.32
  6. Step 6: Final answer
    x = 67,165.68

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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.