Home / 69,405.90-95,780.82-40,726.05

Finding the Fourth Proportional to 69,405.90, 95,780.82 and 40,726.05

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Solution

The fourth proportional to 69,405.90, 95,780.82 and 40,726.05 is: 56,202.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,405.90 : 95,780.82 = 40,726.05 : x
  2. Step 2: Convert to fraction form
    69,405.90/95,780.82 = 40,726.05/x
  3. Step 3: Cross multiply
    69,405.90x = 95,780.82 × 40,726.05
  4. Step 4: Simplify right side
    69,405.90x = 3,900,774,464.36
  5. Step 5: Solve for x
    x = 3,900,774,464.36/69,405.90
  6. Step 6: Final answer
    x = 56,202.35

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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.