Home / 75,200.18-112,814.48-30,225.04

Finding the Fourth Proportional to 75,200.18, 112,814.48 and 30,225.04

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Solution

The fourth proportional to 75,200.18, 112,814.48 and 30,225.04 is: 45,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,200.18 : 112,814.48 = 30,225.04 : x
  2. Step 2: Convert to fraction form
    75,200.18/112,814.48 = 30,225.04/x
  3. Step 3: Cross multiply
    75,200.18x = 112,814.48 × 30,225.04
  4. Step 4: Simplify right side
    75,200.18x = 3,409,821,964.11
  5. Step 5: Solve for x
    x = 3,409,821,964.11/75,200.18
  6. Step 6: Final answer
    x = 45,343.27

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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.