Home / 64,405.12-88,862.25-37,174.54

Finding the Fourth Proportional to 64,405.12, 88,862.25 and 37,174.54

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Solution

The fourth proportional to 64,405.12, 88,862.25 and 37,174.54 is: 51,291.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,405.12 : 88,862.25 = 37,174.54 : x
  2. Step 2: Convert to fraction form
    64,405.12/88,862.25 = 37,174.54/x
  3. Step 3: Cross multiply
    64,405.12x = 88,862.25 × 37,174.54
  4. Step 4: Simplify right side
    64,405.12x = 3,303,413,267.12
  5. Step 5: Solve for x
    x = 3,303,413,267.12/64,405.12
  6. Step 6: Final answer
    x = 51,291.16

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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.