Home / 53,485.48-73,765.12-34,368.36

Finding the Fourth Proportional to 53,485.48, 73,765.12 and 34,368.36

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Solution

The fourth proportional to 53,485.48, 73,765.12 and 34,368.36 is: 47,399.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,485.48 : 73,765.12 = 34,368.36 : x
  2. Step 2: Convert to fraction form
    53,485.48/73,765.12 = 34,368.36/x
  3. Step 3: Cross multiply
    53,485.48x = 73,765.12 × 34,368.36
  4. Step 4: Simplify right side
    53,485.48x = 2,535,186,371.83
  5. Step 5: Solve for x
    x = 2,535,186,371.83/53,485.48
  6. Step 6: Final answer
    x = 47,399.53

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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.