Home / 70,445.34-105,651.24-28,325.52

Finding the Fourth Proportional to 70,445.34, 105,651.24 and 28,325.52

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Solution

The fourth proportional to 70,445.34, 105,651.24 and 28,325.52 is: 42,481.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,445.34 : 105,651.24 = 28,325.52 : x
  2. Step 2: Convert to fraction form
    70,445.34/105,651.24 = 28,325.52/x
  3. Step 3: Cross multiply
    70,445.34x = 105,651.24 × 28,325.52
  4. Step 4: Simplify right side
    70,445.34x = 2,992,626,311.64
  5. Step 5: Solve for x
    x = 2,992,626,311.64/70,445.34
  6. Step 6: Final answer
    x = 42,481.54

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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.