Home / 84,238.21-116,220.74-55,572.11

Finding the Fourth Proportional to 84,238.21, 116,220.74 and 55,572.11

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Solution

The fourth proportional to 84,238.21, 116,220.74 and 55,572.11 is: 76,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,238.21 : 116,220.74 = 55,572.11 : x
  2. Step 2: Convert to fraction form
    84,238.21/116,220.74 = 55,572.11/x
  3. Step 3: Cross multiply
    84,238.21x = 116,220.74 × 55,572.11
  4. Step 4: Simplify right side
    84,238.21x = 6,458,631,166.46
  5. Step 5: Solve for x
    x = 6,458,631,166.46/84,238.21
  6. Step 6: Final answer
    x = 76,671.04

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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.