Home / 51,111.80-76,667.70-48,815.45

Finding the Fourth Proportional to 51,111.80, 76,667.70 and 48,815.45

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Solution

The fourth proportional to 51,111.80, 76,667.70 and 48,815.45 is: 73,223.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,111.80 : 76,667.70 = 48,815.45 : x
  2. Step 2: Convert to fraction form
    51,111.80/76,667.70 = 48,815.45/x
  3. Step 3: Cross multiply
    51,111.80x = 76,667.70 × 48,815.45
  4. Step 4: Simplify right side
    51,111.80x = 3,742,568,275.97
  5. Step 5: Solve for x
    x = 3,742,568,275.97/51,111.80
  6. Step 6: Final answer
    x = 73,223.18

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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.