Home / 86,816.35-130,265.04-30,698.96

Finding the Fourth Proportional to 86,816.35, 130,265.04 and 30,698.96

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Solution

The fourth proportional to 86,816.35, 130,265.04 and 30,698.96 is: 46,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,816.35 : 130,265.04 = 30,698.96 : x
  2. Step 2: Convert to fraction form
    86,816.35/130,265.04 = 30,698.96/x
  3. Step 3: Cross multiply
    86,816.35x = 130,265.04 × 30,698.96
  4. Step 4: Simplify right side
    86,816.35x = 3,999,001,252.36
  5. Step 5: Solve for x
    x = 3,999,001,252.36/86,816.35
  6. Step 6: Final answer
    x = 46,062.77

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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.