Home / 74,683.31-103,062.03-40,693.25

Finding the Fourth Proportional to 74,683.31, 103,062.03 and 40,693.25

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Solution

The fourth proportional to 74,683.31, 103,062.03 and 40,693.25 is: 56,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,683.31 : 103,062.03 = 40,693.25 : x
  2. Step 2: Convert to fraction form
    74,683.31/103,062.03 = 40,693.25/x
  3. Step 3: Cross multiply
    74,683.31x = 103,062.03 × 40,693.25
  4. Step 4: Simplify right side
    74,683.31x = 4,193,928,952.30
  5. Step 5: Solve for x
    x = 4,193,928,952.30/74,683.31
  6. Step 6: Final answer
    x = 56,156.17

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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.