Home / 66,446.56-99,558.86-46,689.75

Finding the Fourth Proportional to 66,446.56, 99,558.86 and 46,689.75

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Solution

The fourth proportional to 66,446.56, 99,558.86 and 46,689.75 is: 69,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,446.56 : 99,558.86 = 46,689.75 : x
  2. Step 2: Convert to fraction form
    66,446.56/99,558.86 = 46,689.75/x
  3. Step 3: Cross multiply
    66,446.56x = 99,558.86 × 46,689.75
  4. Step 4: Simplify right side
    66,446.56x = 4,648,378,050.24
  5. Step 5: Solve for x
    x = 4,648,378,050.24/66,446.56
  6. Step 6: Final answer
    x = 69,956.64

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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.