Home / 86,048.04-129,052.59-32,720.95

Finding the Fourth Proportional to 86,048.04, 129,052.59 and 32,720.95

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Solution

The fourth proportional to 86,048.04, 129,052.59 and 32,720.95 is: 49,074.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,048.04 : 129,052.59 = 32,720.95 : x
  2. Step 2: Convert to fraction form
    86,048.04/129,052.59 = 32,720.95/x
  3. Step 3: Cross multiply
    86,048.04x = 129,052.59 × 32,720.95
  4. Step 4: Simplify right side
    86,048.04x = 4,222,723,344.76
  5. Step 5: Solve for x
    x = 4,222,723,344.76/86,048.04
  6. Step 6: Final answer
    x = 49,074.02

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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.