Home / 86,973.67-130,458.45-27,809.86

Finding the Fourth Proportional to 86,973.67, 130,458.45 and 27,809.86

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Solution

The fourth proportional to 86,973.67, 130,458.45 and 27,809.86 is: 41,714.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,973.67 : 130,458.45 = 27,809.86 : x
  2. Step 2: Convert to fraction form
    86,973.67/130,458.45 = 27,809.86/x
  3. Step 3: Cross multiply
    86,973.67x = 130,458.45 × 27,809.86
  4. Step 4: Simplify right side
    86,973.67x = 3,628,030,438.98
  5. Step 5: Solve for x
    x = 3,628,030,438.98/86,973.67
  6. Step 6: Final answer
    x = 41,714.12

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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.