Home / 86,708.03-130,072.46-30,536.52

Finding the Fourth Proportional to 86,708.03, 130,072.46 and 30,536.52

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Solution

The fourth proportional to 86,708.03, 130,072.46 and 30,536.52 is: 45,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,708.03 : 130,072.46 = 30,536.52 : x
  2. Step 2: Convert to fraction form
    86,708.03/130,072.46 = 30,536.52/x
  3. Step 3: Cross multiply
    86,708.03x = 130,072.46 × 30,536.52
  4. Step 4: Simplify right side
    86,708.03x = 3,971,960,123.56
  5. Step 5: Solve for x
    x = 3,971,960,123.56/86,708.03
  6. Step 6: Final answer
    x = 45,808.45

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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.