Home / 76,290.72-114,441.12-26,375.64

Finding the Fourth Proportional to 76,290.72, 114,441.12 and 26,375.64

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Solution

The fourth proportional to 76,290.72, 114,441.12 and 26,375.64 is: 39,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,290.72 : 114,441.12 = 26,375.64 : x
  2. Step 2: Convert to fraction form
    76,290.72/114,441.12 = 26,375.64/x
  3. Step 3: Cross multiply
    76,290.72x = 114,441.12 × 26,375.64
  4. Step 4: Simplify right side
    76,290.72x = 3,018,457,782.32
  5. Step 5: Solve for x
    x = 3,018,457,782.32/76,290.72
  6. Step 6: Final answer
    x = 39,565.20

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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.