Home / 66,546.26-99,770.18-31,444.92

Finding the Fourth Proportional to 66,546.26, 99,770.18 and 31,444.92

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Solution

The fourth proportional to 66,546.26, 99,770.18 and 31,444.92 is: 47,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,546.26 : 99,770.18 = 31,444.92 : x
  2. Step 2: Convert to fraction form
    66,546.26/99,770.18 = 31,444.92/x
  3. Step 3: Cross multiply
    66,546.26x = 99,770.18 × 31,444.92
  4. Step 4: Simplify right side
    66,546.26x = 3,137,265,328.49
  5. Step 5: Solve for x
    x = 3,137,265,328.49/66,546.26
  6. Step 6: Final answer
    x = 47,144.13

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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.