Home / 79,536.64-119,778.40-69,272.32

Finding the Fourth Proportional to 79,536.64, 119,778.40 and 69,272.32

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Solution

The fourth proportional to 79,536.64, 119,778.40 and 69,272.32 is: 104,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,536.64 : 119,778.40 = 69,272.32 : x
  2. Step 2: Convert to fraction form
    79,536.64/119,778.40 = 69,272.32/x
  3. Step 3: Cross multiply
    79,536.64x = 119,778.40 × 69,272.32
  4. Step 4: Simplify right side
    79,536.64x = 8,297,327,653.89
  5. Step 5: Solve for x
    x = 8,297,327,653.89/79,536.64
  6. Step 6: Final answer
    x = 104,320.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.