Home / 70,012.32-96,613.20-40,204.32

Finding the Fourth Proportional to 70,012.32, 96,613.20 and 40,204.32

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Solution

The fourth proportional to 70,012.32, 96,613.20 and 40,204.32 is: 55,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,012.32 : 96,613.20 = 40,204.32 : x
  2. Step 2: Convert to fraction form
    70,012.32/96,613.20 = 40,204.32/x
  3. Step 3: Cross multiply
    70,012.32x = 96,613.20 × 40,204.32
  4. Step 4: Simplify right side
    70,012.32x = 3,884,268,009.02
  5. Step 5: Solve for x
    x = 3,884,268,009.02/70,012.32
  6. Step 6: Final answer
    x = 55,479.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.