Home / 74,714.13-103,105.55-42,448.80

Finding the Fourth Proportional to 74,714.13, 103,105.55 and 42,448.80

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Solution

The fourth proportional to 74,714.13, 103,105.55 and 42,448.80 is: 58,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,714.13 : 103,105.55 = 42,448.80 : x
  2. Step 2: Convert to fraction form
    74,714.13/103,105.55 = 42,448.80/x
  3. Step 3: Cross multiply
    74,714.13x = 103,105.55 × 42,448.80
  4. Step 4: Simplify right side
    74,714.13x = 4,376,706,658.60
  5. Step 5: Solve for x
    x = 4,376,706,658.60/74,714.13
  6. Step 6: Final answer
    x = 58,579.37

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1.5x scale

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.