Home / 74,934.75-103,412.93-43,103.61

Finding the Fourth Proportional to 74,934.75, 103,412.93 and 43,103.61

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Solution

The fourth proportional to 74,934.75, 103,412.93 and 43,103.61 is: 59,484.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,934.75 : 103,412.93 = 43,103.61 : x
  2. Step 2: Convert to fraction form
    74,934.75/103,412.93 = 43,103.61/x
  3. Step 3: Cross multiply
    74,934.75x = 103,412.93 × 43,103.61
  4. Step 4: Simplify right side
    74,934.75x = 4,457,470,388.16
  5. Step 5: Solve for x
    x = 4,457,470,388.16/74,934.75
  6. Step 6: Final answer
    x = 59,484.69

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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.