Home / 86,384.07-129,514.68-33,031.08

Finding the Fourth Proportional to 86,384.07, 129,514.68 and 33,031.08

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Solution

The fourth proportional to 86,384.07, 129,514.68 and 33,031.08 is: 49,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,384.07 : 129,514.68 = 33,031.08 : x
  2. Step 2: Convert to fraction form
    86,384.07/129,514.68 = 33,031.08/x
  3. Step 3: Cross multiply
    86,384.07x = 129,514.68 × 33,031.08
  4. Step 4: Simplify right side
    86,384.07x = 4,278,009,756.25
  5. Step 5: Solve for x
    x = 4,278,009,756.25/86,384.07
  6. Step 6: Final answer
    x = 49,523.13

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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.