Home / 103,613.13-155,445.21-33,492.45

Finding the Fourth Proportional to 103,613.13, 155,445.21 and 33,492.45

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Solution

The fourth proportional to 103,613.13, 155,445.21 and 33,492.45 is: 50,246.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,613.13 : 155,445.21 = 33,492.45 : x
  2. Step 2: Convert to fraction form
    103,613.13/155,445.21 = 33,492.45/x
  3. Step 3: Cross multiply
    103,613.13x = 155,445.21 × 33,492.45
  4. Step 4: Simplify right side
    103,613.13x = 5,206,240,923.66
  5. Step 5: Solve for x
    x = 5,206,240,923.66/103,613.13
  6. Step 6: Final answer
    x = 50,246.92

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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.