Home / 72,673.08-100,291.83-40,841.91

Finding the Fourth Proportional to 72,673.08, 100,291.83 and 40,841.91

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Solution

The fourth proportional to 72,673.08, 100,291.83 and 40,841.91 is: 56,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,673.08 : 100,291.83 = 40,841.91 : x
  2. Step 2: Convert to fraction form
    72,673.08/100,291.83 = 40,841.91/x
  3. Step 3: Cross multiply
    72,673.08x = 100,291.83 × 40,841.91
  4. Step 4: Simplify right side
    72,673.08x = 4,096,109,894.60
  5. Step 5: Solve for x
    x = 4,096,109,894.60/72,673.08
  6. Step 6: Final answer
    x = 56,363.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.