Home / 84,765.63-127,145.37-25,599.79

Finding the Fourth Proportional to 84,765.63, 127,145.37 and 25,599.79

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Solution

The fourth proportional to 84,765.63, 127,145.37 and 25,599.79 is: 38,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,765.63 : 127,145.37 = 25,599.79 : x
  2. Step 2: Convert to fraction form
    84,765.63/127,145.37 = 25,599.79/x
  3. Step 3: Cross multiply
    84,765.63x = 127,145.37 × 25,599.79
  4. Step 4: Simplify right side
    84,765.63x = 3,254,894,771.47
  5. Step 5: Solve for x
    x = 3,254,894,771.47/84,765.63
  6. Step 6: Final answer
    x = 38,398.76

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1.5x scale

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.