Home / 66,424.50-99,515.25-52,223.58

Finding the Fourth Proportional to 66,424.50, 99,515.25 and 52,223.58

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Solution

The fourth proportional to 66,424.50, 99,515.25 and 52,223.58 is: 78,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,424.50 : 99,515.25 = 52,223.58 : x
  2. Step 2: Convert to fraction form
    66,424.50/99,515.25 = 52,223.58/x
  3. Step 3: Cross multiply
    66,424.50x = 99,515.25 × 52,223.58
  4. Step 4: Simplify right side
    66,424.50x = 5,197,042,619.60
  5. Step 5: Solve for x
    x = 5,197,042,619.60/66,424.50
  6. Step 6: Final answer
    x = 78,239.85

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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.