Home / 86,904.70-130,359.48-30,736.87

Finding the Fourth Proportional to 86,904.70, 130,359.48 and 30,736.87

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Solution

The fourth proportional to 86,904.70, 130,359.48 and 30,736.87 is: 46,106.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,904.70 : 130,359.48 = 30,736.87 : x
  2. Step 2: Convert to fraction form
    86,904.70/130,359.48 = 30,736.87/x
  3. Step 3: Cross multiply
    86,904.70x = 130,359.48 × 30,736.87
  4. Step 4: Simplify right side
    86,904.70x = 4,006,842,390.03
  5. Step 5: Solve for x
    x = 4,006,842,390.03/86,904.70
  6. Step 6: Final answer
    x = 46,106.16

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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.