Home / 74,045.70-102,150.61-43,403.26

Finding the Fourth Proportional to 74,045.70, 102,150.61 and 43,403.26

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Solution

The fourth proportional to 74,045.70, 102,150.61 and 43,403.26 is: 59,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,045.70 : 102,150.61 = 43,403.26 : x
  2. Step 2: Convert to fraction form
    74,045.70/102,150.61 = 43,403.26/x
  3. Step 3: Cross multiply
    74,045.70x = 102,150.61 × 43,403.26
  4. Step 4: Simplify right side
    74,045.70x = 4,433,669,484.99
  5. Step 5: Solve for x
    x = 4,433,669,484.99/74,045.70
  6. Step 6: Final answer
    x = 59,877.47

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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.