Home / 86,664.81-130,008.15-29,749.81

Finding the Fourth Proportional to 86,664.81, 130,008.15 and 29,749.81

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Solution

The fourth proportional to 86,664.81, 130,008.15 and 29,749.81 is: 44,628.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,664.81 : 130,008.15 = 29,749.81 : x
  2. Step 2: Convert to fraction form
    86,664.81/130,008.15 = 29,749.81/x
  3. Step 3: Cross multiply
    86,664.81x = 130,008.15 × 29,749.81
  4. Step 4: Simplify right side
    86,664.81x = 3,867,717,760.95
  5. Step 5: Solve for x
    x = 3,867,717,760.95/86,664.81
  6. Step 6: Final answer
    x = 44,628.47

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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.