Home / 112,613.10-168,822.45-57,209.10

Finding the Fourth Proportional to 112,613.10, 168,822.45 and 57,209.10

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Solution

The fourth proportional to 112,613.10, 168,822.45 and 57,209.10 is: 85,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,613.10 : 168,822.45 = 57,209.10 : x
  2. Step 2: Convert to fraction form
    112,613.10/168,822.45 = 57,209.10/x
  3. Step 3: Cross multiply
    112,613.10x = 168,822.45 × 57,209.10
  4. Step 4: Simplify right side
    112,613.10x = 9,658,180,424.30
  5. Step 5: Solve for x
    x = 9,658,180,424.30/112,613.10
  6. Step 6: Final answer
    x = 85,764.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.