Home / 86,948.48-130,370.24-47,450.72

Finding the Fourth Proportional to 86,948.48, 130,370.24 and 47,450.72

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Solution

The fourth proportional to 86,948.48, 130,370.24 and 47,450.72 is: 71,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,948.48 : 130,370.24 = 47,450.72 : x
  2. Step 2: Convert to fraction form
    86,948.48/130,370.24 = 47,450.72/x
  3. Step 3: Cross multiply
    86,948.48x = 130,370.24 × 47,450.72
  4. Step 4: Simplify right side
    86,948.48x = 6,186,161,754.57
  5. Step 5: Solve for x
    x = 6,186,161,754.57/86,948.48
  6. Step 6: Final answer
    x = 71,147.44

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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.