Home / 53,428.78-73,765.29-34,316.26

Finding the Fourth Proportional to 53,428.78, 73,765.29 and 34,316.26

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Solution

The fourth proportional to 53,428.78, 73,765.29 and 34,316.26 is: 47,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,428.78 : 73,765.29 = 34,316.26 : x
  2. Step 2: Convert to fraction form
    53,428.78/73,765.29 = 34,316.26/x
  3. Step 3: Cross multiply
    53,428.78x = 73,765.29 × 34,316.26
  4. Step 4: Simplify right side
    53,428.78x = 2,531,348,870.62
  5. Step 5: Solve for x
    x = 2,531,348,870.62/53,428.78
  6. Step 6: Final answer
    x = 47,378.00

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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.