Home / 82,175.91-113,416.68-47,715.30

Finding the Fourth Proportional to 82,175.91, 113,416.68 and 47,715.30

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Solution

The fourth proportional to 82,175.91, 113,416.68 and 47,715.30 is: 65,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,175.91 : 113,416.68 = 47,715.30 : x
  2. Step 2: Convert to fraction form
    82,175.91/113,416.68 = 47,715.30/x
  3. Step 3: Cross multiply
    82,175.91x = 113,416.68 × 47,715.30
  4. Step 4: Simplify right side
    82,175.91x = 5,411,710,911.20
  5. Step 5: Solve for x
    x = 5,411,710,911.20/82,175.91
  6. Step 6: Final answer
    x = 65,855.20

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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.