Home / 74,698.06-103,082.38-40,708.04

Finding the Fourth Proportional to 74,698.06, 103,082.38 and 40,708.04

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Solution

The fourth proportional to 74,698.06, 103,082.38 and 40,708.04 is: 56,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,698.06 : 103,082.38 = 40,708.04 : x
  2. Step 2: Convert to fraction form
    74,698.06/103,082.38 = 40,708.04/x
  3. Step 3: Cross multiply
    74,698.06x = 103,082.38 × 40,708.04
  4. Step 4: Simplify right side
    74,698.06x = 4,196,281,648.34
  5. Step 5: Solve for x
    x = 4,196,281,648.34/74,698.06
  6. Step 6: Final answer
    x = 56,176.58

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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.