Home / 74,710.10-103,097.29-40,717.91

Finding the Fourth Proportional to 74,710.10, 103,097.29 and 40,717.91

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Solution

The fourth proportional to 74,710.10, 103,097.29 and 40,717.91 is: 56,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,710.10 : 103,097.29 = 40,717.91 : x
  2. Step 2: Convert to fraction form
    74,710.10/103,097.29 = 40,717.91/x
  3. Step 3: Cross multiply
    74,710.10x = 103,097.29 × 40,717.91
  4. Step 4: Simplify right side
    74,710.10x = 4,197,906,175.46
  5. Step 5: Solve for x
    x = 4,197,906,175.46/74,710.10
  6. Step 6: Final answer
    x = 56,189.27

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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.