Home / 86,570.30-129,858.69-24,239.18

Finding the Fourth Proportional to 86,570.30, 129,858.69 and 24,239.18

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Solution

The fourth proportional to 86,570.30, 129,858.69 and 24,239.18 is: 36,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,570.30 : 129,858.69 = 24,239.18 : x
  2. Step 2: Convert to fraction form
    86,570.30/129,858.69 = 24,239.18/x
  3. Step 3: Cross multiply
    86,570.30x = 129,858.69 × 24,239.18
  4. Step 4: Simplify right side
    86,570.30x = 3,147,668,161.47
  5. Step 5: Solve for x
    x = 3,147,668,161.47/86,570.30
  6. Step 6: Final answer
    x = 36,359.68

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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.