Home / 82,384.22-113,783.58-55,479.92

Finding the Fourth Proportional to 82,384.22, 113,783.58 and 55,479.92

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Solution

The fourth proportional to 82,384.22, 113,783.58 and 55,479.92 is: 76,625.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,384.22 : 113,783.58 = 55,479.92 : x
  2. Step 2: Convert to fraction form
    82,384.22/113,783.58 = 55,479.92/x
  3. Step 3: Cross multiply
    82,384.22x = 113,783.58 × 55,479.92
  4. Step 4: Simplify right side
    82,384.22x = 6,312,703,915.71
  5. Step 5: Solve for x
    x = 6,312,703,915.71/82,384.22
  6. Step 6: Final answer
    x = 76,625.16

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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.