Home / 75,683.90-113,532.06-31,302.38

Finding the Fourth Proportional to 75,683.90, 113,532.06 and 31,302.38

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Solution

The fourth proportional to 75,683.90, 113,532.06 and 31,302.38 is: 46,956.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,683.90 : 113,532.06 = 31,302.38 : x
  2. Step 2: Convert to fraction form
    75,683.90/113,532.06 = 31,302.38/x
  3. Step 3: Cross multiply
    75,683.90x = 113,532.06 × 31,302.38
  4. Step 4: Simplify right side
    75,683.90x = 3,553,823,684.30
  5. Step 5: Solve for x
    x = 3,553,823,684.30/75,683.90
  6. Step 6: Final answer
    x = 46,956.14

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1.5x scale

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.