Home / 86,302.43-129,467.59-25,518.86

Finding the Fourth Proportional to 86,302.43, 129,467.59 and 25,518.86

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Solution

The fourth proportional to 86,302.43, 129,467.59 and 25,518.86 is: 38,282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,302.43 : 129,467.59 = 25,518.86 : x
  2. Step 2: Convert to fraction form
    86,302.43/129,467.59 = 25,518.86/x
  3. Step 3: Cross multiply
    86,302.43x = 129,467.59 × 25,518.86
  4. Step 4: Simplify right side
    86,302.43x = 3,303,865,078.12
  5. Step 5: Solve for x
    x = 3,303,865,078.12/86,302.43
  6. Step 6: Final answer
    x = 38,282.41

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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.