Home / 86,804.87-130,217.72-30,633.38

Finding the Fourth Proportional to 86,804.87, 130,217.72 and 30,633.38

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Solution

The fourth proportional to 86,804.87, 130,217.72 and 30,633.38 is: 45,953.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,804.87 : 130,217.72 = 30,633.38 : x
  2. Step 2: Convert to fraction form
    86,804.87/130,217.72 = 30,633.38/x
  3. Step 3: Cross multiply
    86,804.87x = 130,217.72 × 30,633.38
  4. Step 4: Simplify right side
    86,804.87x = 3,989,008,095.24
  5. Step 5: Solve for x
    x = 3,989,008,095.24/86,804.87
  6. Step 6: Final answer
    x = 45,953.74

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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.