Home / 53,693.30-74,151.89-40,243.25

Finding the Fourth Proportional to 53,693.30, 74,151.89 and 40,243.25

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Solution

The fourth proportional to 53,693.30, 74,151.89 and 40,243.25 is: 55,577.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,693.30 : 74,151.89 = 40,243.25 : x
  2. Step 2: Convert to fraction form
    53,693.30/74,151.89 = 40,243.25/x
  3. Step 3: Cross multiply
    53,693.30x = 74,151.89 × 40,243.25
  4. Step 4: Simplify right side
    53,693.30x = 2,984,113,047.24
  5. Step 5: Solve for x
    x = 2,984,113,047.24/53,693.30
  6. Step 6: Final answer
    x = 55,577.01

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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.