Home / 66,878.07-100,261.71-52,152.27

Finding the Fourth Proportional to 66,878.07, 100,261.71 and 52,152.27

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Solution

The fourth proportional to 66,878.07, 100,261.71 and 52,152.27 is: 78,185.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,878.07 : 100,261.71 = 52,152.27 : x
  2. Step 2: Convert to fraction form
    66,878.07/100,261.71 = 52,152.27/x
  3. Step 3: Cross multiply
    66,878.07x = 100,261.71 × 52,152.27
  4. Step 4: Simplify right side
    66,878.07x = 5,228,875,770.58
  5. Step 5: Solve for x
    x = 5,228,875,770.58/66,878.07
  6. Step 6: Final answer
    x = 78,185.21

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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.