Home / 74,703.36-103,046.40-52,446.72

Finding the Fourth Proportional to 74,703.36, 103,046.40 and 52,446.72

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Solution

The fourth proportional to 74,703.36, 103,046.40 and 52,446.72 is: 72,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,703.36 : 103,046.40 = 52,446.72 : x
  2. Step 2: Convert to fraction form
    74,703.36/103,046.40 = 52,446.72/x
  3. Step 3: Cross multiply
    74,703.36x = 103,046.40 × 52,446.72
  4. Step 4: Simplify right side
    74,703.36x = 5,404,445,687.81
  5. Step 5: Solve for x
    x = 5,404,445,687.81/74,703.36
  6. Step 6: Final answer
    x = 72,345.42

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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.