Home / 66,277.62-91,497-51,136.26

Finding the Fourth Proportional to 66,277.62, 91,497 and 51,136.26

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Solution

The fourth proportional to 66,277.62, 91,497 and 51,136.26 is: 70,594.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,277.62 : 91,497 = 51,136.26 : x
  2. Step 2: Convert to fraction form
    66,277.62/91,497 = 51,136.26/x
  3. Step 3: Cross multiply
    66,277.62x = 91,497 × 51,136.26
  4. Step 4: Simplify right side
    66,277.62x = 4,678,814,381.22
  5. Step 5: Solve for x
    x = 4,678,814,381.22/66,277.62
  6. Step 6: Final answer
    x = 70,594.18

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1.5x scale

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.