Home / 86,308.12-129,274.80-41,841.55

Finding the Fourth Proportional to 86,308.12, 129,274.80 and 41,841.55

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Solution

The fourth proportional to 86,308.12, 129,274.80 and 41,841.55 is: 62,671.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,308.12 : 129,274.80 = 41,841.55 : x
  2. Step 2: Convert to fraction form
    86,308.12/129,274.80 = 41,841.55/x
  3. Step 3: Cross multiply
    86,308.12x = 129,274.80 × 41,841.55
  4. Step 4: Simplify right side
    86,308.12x = 5,409,058,007.94
  5. Step 5: Solve for x
    x = 5,409,058,007.94/86,308.12
  6. Step 6: Final answer
    x = 62,671.48

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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.