Home / 86,366.66-129,550.59-30,206.52

Finding the Fourth Proportional to 86,366.66, 129,550.59 and 30,206.52

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Solution

The fourth proportional to 86,366.66, 129,550.59 and 30,206.52 is: 45,309.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,366.66 : 129,550.59 = 30,206.52 : x
  2. Step 2: Convert to fraction form
    86,366.66/129,550.59 = 30,206.52/x
  3. Step 3: Cross multiply
    86,366.66x = 129,550.59 × 30,206.52
  4. Step 4: Simplify right side
    86,366.66x = 3,913,272,487.85
  5. Step 5: Solve for x
    x = 3,913,272,487.85/86,366.66
  6. Step 6: Final answer
    x = 45,309.99

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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.