Home / 74,906.38-103,412.33-51,068.08

Finding the Fourth Proportional to 74,906.38, 103,412.33 and 51,068.08

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Solution

The fourth proportional to 74,906.38, 103,412.33 and 51,068.08 is: 70,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,906.38 : 103,412.33 = 51,068.08 : x
  2. Step 2: Convert to fraction form
    74,906.38/103,412.33 = 51,068.08/x
  3. Step 3: Cross multiply
    74,906.38x = 103,412.33 × 51,068.08
  4. Step 4: Simplify right side
    74,906.38x = 5,281,068,886.09
  5. Step 5: Solve for x
    x = 5,281,068,886.09/74,906.38
  6. Step 6: Final answer
    x = 70,502.26

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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.