Home / 54,362.51-75,023.36-30,487.28

Finding the Fourth Proportional to 54,362.51, 75,023.36 and 30,487.28

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Solution

The fourth proportional to 54,362.51, 75,023.36 and 30,487.28 is: 42,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,362.51 : 75,023.36 = 30,487.28 : x
  2. Step 2: Convert to fraction form
    54,362.51/75,023.36 = 30,487.28/x
  3. Step 3: Cross multiply
    54,362.51x = 75,023.36 × 30,487.28
  4. Step 4: Simplify right side
    54,362.51x = 2,287,257,655.31
  5. Step 5: Solve for x
    x = 2,287,257,655.31/54,362.51
  6. Step 6: Final answer
    x = 42,074.18

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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.