Home / 86,514.52-119,398.41-52,515.19

Finding the Fourth Proportional to 86,514.52, 119,398.41 and 52,515.19

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Solution

The fourth proportional to 86,514.52, 119,398.41 and 52,515.19 is: 72,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,514.52 : 119,398.41 = 52,515.19 : x
  2. Step 2: Convert to fraction form
    86,514.52/119,398.41 = 52,515.19/x
  3. Step 3: Cross multiply
    86,514.52x = 119,398.41 × 52,515.19
  4. Step 4: Simplify right side
    86,514.52x = 6,270,230,186.85
  5. Step 5: Solve for x
    x = 6,270,230,186.85/86,514.52
  6. Step 6: Final answer
    x = 72,476.04

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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.