Home / 84,938.77-127,408.16-25,774.75

Finding the Fourth Proportional to 84,938.77, 127,408.16 and 25,774.75

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Solution

The fourth proportional to 84,938.77, 127,408.16 and 25,774.75 is: 38,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,938.77 : 127,408.16 = 25,774.75 : x
  2. Step 2: Convert to fraction form
    84,938.77/127,408.16 = 25,774.75/x
  3. Step 3: Cross multiply
    84,938.77x = 127,408.16 × 25,774.75
  4. Step 4: Simplify right side
    84,938.77x = 3,283,913,471.96
  5. Step 5: Solve for x
    x = 3,283,913,471.96/84,938.77
  6. Step 6: Final answer
    x = 38,662.13

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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.