Home / 86,162.25-129,293.95-36,238.50

Finding the Fourth Proportional to 86,162.25, 129,293.95 and 36,238.50

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Solution

The fourth proportional to 86,162.25, 129,293.95 and 36,238.50 is: 54,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,162.25 : 129,293.95 = 36,238.50 : x
  2. Step 2: Convert to fraction form
    86,162.25/129,293.95 = 36,238.50/x
  3. Step 3: Cross multiply
    86,162.25x = 129,293.95 × 36,238.50
  4. Step 4: Simplify right side
    86,162.25x = 4,685,418,807.08
  5. Step 5: Solve for x
    x = 4,685,418,807.08/86,162.25
  6. Step 6: Final answer
    x = 54,379.02

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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.