Home / 84,236.95-116,209.72-57,003.33

Finding the Fourth Proportional to 84,236.95, 116,209.72 and 57,003.33

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Solution

The fourth proportional to 84,236.95, 116,209.72 and 57,003.33 is: 78,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,236.95 : 116,209.72 = 57,003.33 : x
  2. Step 2: Convert to fraction form
    84,236.95/116,209.72 = 57,003.33/x
  3. Step 3: Cross multiply
    84,236.95x = 116,209.72 × 57,003.33
  4. Step 4: Simplify right side
    84,236.95x = 6,624,341,018.37
  5. Step 5: Solve for x
    x = 6,624,341,018.37/84,236.95
  6. Step 6: Final answer
    x = 78,639.37

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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.