Home / 64,131.60-88,501.40-35,837.28

Finding the Fourth Proportional to 64,131.60, 88,501.40 and 35,837.28

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Solution

The fourth proportional to 64,131.60, 88,501.40 and 35,837.28 is: 49,455.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,131.60 : 88,501.40 = 35,837.28 : x
  2. Step 2: Convert to fraction form
    64,131.60/88,501.40 = 35,837.28/x
  3. Step 3: Cross multiply
    64,131.60x = 88,501.40 × 35,837.28
  4. Step 4: Simplify right side
    64,131.60x = 3,171,649,452.19
  5. Step 5: Solve for x
    x = 3,171,649,452.19/64,131.60
  6. Step 6: Final answer
    x = 49,455.33

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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.