Home / 74,420.29-111,513.75-63,281.17

Finding the Fourth Proportional to 74,420.29, 111,513.75 and 63,281.17

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Solution

The fourth proportional to 74,420.29, 111,513.75 and 63,281.17 is: 94,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,420.29 : 111,513.75 = 63,281.17 : x
  2. Step 2: Convert to fraction form
    74,420.29/111,513.75 = 63,281.17/x
  3. Step 3: Cross multiply
    74,420.29x = 111,513.75 × 63,281.17
  4. Step 4: Simplify right side
    74,420.29x = 7,056,720,571.09
  5. Step 5: Solve for x
    x = 7,056,720,571.09/74,420.29
  6. Step 6: Final answer
    x = 94,822.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.