Home / 74,920.15-112,364.03-32,800.15

Finding the Fourth Proportional to 74,920.15, 112,364.03 and 32,800.15

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Solution

The fourth proportional to 74,920.15, 112,364.03 and 32,800.15 is: 49,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,920.15 : 112,364.03 = 32,800.15 : x
  2. Step 2: Convert to fraction form
    74,920.15/112,364.03 = 32,800.15/x
  3. Step 3: Cross multiply
    74,920.15x = 112,364.03 × 32,800.15
  4. Step 4: Simplify right side
    74,920.15x = 3,685,556,874.60
  5. Step 5: Solve for x
    x = 3,685,556,874.60/74,920.15
  6. Step 6: Final answer
    x = 49,193.13

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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.