Home / 66,423.41-91,660.96-37,739.32

Finding the Fourth Proportional to 66,423.41, 91,660.96 and 37,739.32

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Solution

The fourth proportional to 66,423.41, 91,660.96 and 37,739.32 is: 52,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423.41 : 91,660.96 = 37,739.32 : x
  2. Step 2: Convert to fraction form
    66,423.41/91,660.96 = 37,739.32/x
  3. Step 3: Cross multiply
    66,423.41x = 91,660.96 × 37,739.32
  4. Step 4: Simplify right side
    66,423.41x = 3,459,221,653.95
  5. Step 5: Solve for x
    x = 3,459,221,653.95/66,423.41
  6. Step 6: Final answer
    x = 52,078.35

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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.