Home / 84,427.42-116,459.07-55,747.34

Finding the Fourth Proportional to 84,427.42, 116,459.07 and 55,747.34

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Solution

The fourth proportional to 84,427.42, 116,459.07 and 55,747.34 is: 76,897.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,427.42 : 116,459.07 = 55,747.34 : x
  2. Step 2: Convert to fraction form
    84,427.42/116,459.07 = 55,747.34/x
  3. Step 3: Cross multiply
    84,427.42x = 116,459.07 × 55,747.34
  4. Step 4: Simplify right side
    84,427.42x = 6,492,283,371.37
  5. Step 5: Solve for x
    x = 6,492,283,371.37/84,427.42
  6. Step 6: Final answer
    x = 76,897.81

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1.5x scale

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.