Home / 86,250.63-129,334.97-30,083.92

Finding the Fourth Proportional to 86,250.63, 129,334.97 and 30,083.92

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Solution

The fourth proportional to 86,250.63, 129,334.97 and 30,083.92 is: 45,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,250.63 : 129,334.97 = 30,083.92 : x
  2. Step 2: Convert to fraction form
    86,250.63/129,334.97 = 30,083.92/x
  3. Step 3: Cross multiply
    86,250.63x = 129,334.97 × 30,083.92
  4. Step 4: Simplify right side
    86,250.63x = 3,890,902,642.55
  5. Step 5: Solve for x
    x = 3,890,902,642.55/86,250.63
  6. Step 6: Final answer
    x = 45,111.59

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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.