Home / 84,860.55-127,226.03-51,573.51

Finding the Fourth Proportional to 84,860.55, 127,226.03 and 51,573.51

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Solution

The fourth proportional to 84,860.55, 127,226.03 and 51,573.51 is: 77,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,860.55 : 127,226.03 = 51,573.51 : x
  2. Step 2: Convert to fraction form
    84,860.55/127,226.03 = 51,573.51/x
  3. Step 3: Cross multiply
    84,860.55x = 127,226.03 × 51,573.51
  4. Step 4: Simplify right side
    84,860.55x = 6,561,492,672.60
  5. Step 5: Solve for x
    x = 6,561,492,672.60/84,860.55
  6. Step 6: Final answer
    x = 77,320.88

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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.