Home / 75,004.10-112,506.26-30,630.85

Finding the Fourth Proportional to 75,004.10, 112,506.26 and 30,630.85

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Solution

The fourth proportional to 75,004.10, 112,506.26 and 30,630.85 is: 45,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,004.10 : 112,506.26 = 30,630.85 : x
  2. Step 2: Convert to fraction form
    75,004.10/112,506.26 = 30,630.85/x
  3. Step 3: Cross multiply
    75,004.10x = 112,506.26 × 30,630.85
  4. Step 4: Simplify right side
    75,004.10x = 3,446,162,578.81
  5. Step 5: Solve for x
    x = 3,446,162,578.81/75,004.10
  6. Step 6: Final answer
    x = 45,946.32

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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.