Home / 65,847.95-90,909.32-43,226.51

Finding the Fourth Proportional to 65,847.95, 90,909.32 and 43,226.51

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Solution

The fourth proportional to 65,847.95, 90,909.32 and 43,226.51 is: 59,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,847.95 : 90,909.32 = 43,226.51 : x
  2. Step 2: Convert to fraction form
    65,847.95/90,909.32 = 43,226.51/x
  3. Step 3: Cross multiply
    65,847.95x = 90,909.32 × 43,226.51
  4. Step 4: Simplify right side
    65,847.95x = 3,929,692,622.73
  5. Step 5: Solve for x
    x = 3,929,692,622.73/65,847.95
  6. Step 6: Final answer
    x = 59,678.28

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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.