Home / 86,619.88-119,515.08-52,627.36

Finding the Fourth Proportional to 86,619.88, 119,515.08 and 52,627.36

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Solution

The fourth proportional to 86,619.88, 119,515.08 and 52,627.36 is: 72,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,619.88 : 119,515.08 = 52,627.36 : x
  2. Step 2: Convert to fraction form
    86,619.88/119,515.08 = 52,627.36/x
  3. Step 3: Cross multiply
    86,619.88x = 119,515.08 × 52,627.36
  4. Step 4: Simplify right side
    86,619.88x = 6,289,763,140.59
  5. Step 5: Solve for x
    x = 6,289,763,140.59/86,619.88
  6. Step 6: Final answer
    x = 72,613.39

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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.