Home / 84,944.19-127,432.35-28,021.35

Finding the Fourth Proportional to 84,944.19, 127,432.35 and 28,021.35

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Solution

The fourth proportional to 84,944.19, 127,432.35 and 28,021.35 is: 42,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,944.19 : 127,432.35 = 28,021.35 : x
  2. Step 2: Convert to fraction form
    84,944.19/127,432.35 = 28,021.35/x
  3. Step 3: Cross multiply
    84,944.19x = 127,432.35 × 28,021.35
  4. Step 4: Simplify right side
    84,944.19x = 3,570,826,480.67
  5. Step 5: Solve for x
    x = 3,570,826,480.67/84,944.19
  6. Step 6: Final answer
    x = 42,037.32

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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.