Home / 74,477.11-102,772.30-43,845.34

Finding the Fourth Proportional to 74,477.11, 102,772.30 and 43,845.34

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Solution

The fourth proportional to 74,477.11, 102,772.30 and 43,845.34 is: 60,502.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,477.11 : 102,772.30 = 43,845.34 : x
  2. Step 2: Convert to fraction form
    74,477.11/102,772.30 = 43,845.34/x
  3. Step 3: Cross multiply
    74,477.11x = 102,772.30 × 43,845.34
  4. Step 4: Simplify right side
    74,477.11x = 4,506,085,702.99
  5. Step 5: Solve for x
    x = 4,506,085,702.99/74,477.11
  6. Step 6: Final answer
    x = 60,502.97

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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.