Home / 74,424.13-102,648.71-51,492.11

Finding the Fourth Proportional to 74,424.13, 102,648.71 and 51,492.11

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Solution

The fourth proportional to 74,424.13, 102,648.71 and 51,492.11 is: 71,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,424.13 : 102,648.71 = 51,492.11 : x
  2. Step 2: Convert to fraction form
    74,424.13/102,648.71 = 51,492.11/x
  3. Step 3: Cross multiply
    74,424.13x = 102,648.71 × 51,492.11
  4. Step 4: Simplify right side
    74,424.13x = 5,285,598,282.16
  5. Step 5: Solve for x
    x = 5,285,598,282.16/74,424.13
  6. Step 6: Final answer
    x = 71,019.96

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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.