Home / 95,430.10-143,145.15-60,409.30

Finding the Fourth Proportional to 95,430.10, 143,145.15 and 60,409.30

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Solution

The fourth proportional to 95,430.10, 143,145.15 and 60,409.30 is: 90,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,430.10 : 143,145.15 = 60,409.30 : x
  2. Step 2: Convert to fraction form
    95,430.10/143,145.15 = 60,409.30/x
  3. Step 3: Cross multiply
    95,430.10x = 143,145.15 × 60,409.30
  4. Step 4: Simplify right side
    95,430.10x = 8,647,298,309.90
  5. Step 5: Solve for x
    x = 8,647,298,309.90/95,430.10
  6. Step 6: Final answer
    x = 90,613.95

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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.