Home / 84,762.24-127,093.92-25,580.16

Finding the Fourth Proportional to 84,762.24, 127,093.92 and 25,580.16

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Solution

The fourth proportional to 84,762.24, 127,093.92 and 25,580.16 is: 38,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,762.24 : 127,093.92 = 25,580.16 : x
  2. Step 2: Convert to fraction form
    84,762.24/127,093.92 = 25,580.16/x
  3. Step 3: Cross multiply
    84,762.24x = 127,093.92 × 25,580.16
  4. Step 4: Simplify right side
    84,762.24x = 3,251,082,808.63
  5. Step 5: Solve for x
    x = 3,251,082,808.63/84,762.24
  6. Step 6: Final answer
    x = 38,355.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.